These can include: If these changes dont ease your symptoms of hot flashes, you may need to take medication. Novartis, the maker of letrozole, provided funding for the trial, along with NCI and the International Breast Cancer Study Group. Femara contains the active drug letrozole, while Clomid contains the active drug clomiphene. Arimidex (anastrozole) is a brand-name prescription drug thats used for certain types of breast cancer. If youre concerned about side effects from stopping Femara treatment after 5 years, talk with your doctor. Its not known if Femara passes into breast milk. If so, this article on breast cancer treatment options may be helpful for you. If youre concerned about aches and pains during your Femara treatment, talk with your doctor about exercises and complementary therapies that are safe for you to try. In any case, your doctor will recommend how long to keep taking Femara. Precautions. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine. Like other drugs, Femara can cause mild or serious side effects. Its used to treat the following types of cancer: Femara comes as a tablet you take by mouth once per day. But because most breast cancers are HR+, Femara can also be used to treat advanced breast cancer whose HR status isnt known. Dont take more Femara than your doctor prescribes. Call your doctor right away if you have serious side effects. If you have questions or concerns about using Femara for infertility, talk with your doctor. If you develop serious side effects while taking Femara, call your doctor right away. Femara may cause mild side effects other than the ones listed above. Femara is FDA-approved to treat advanced breast cancer thats hormone receptor-positive (HR+). Use of the term female in this article refers to sex assigned at birth. This helps slow the growth and spread of cancer thats encouraged to grow by estrogen. If you have questions about whether its safe for you to drive or operate machinery during your treatment, talk with your doctor or pharmacist. But if they become more severe or dont go away, talk with your doctor or pharmacist. Swelling from Femara usually occurs in your arms, feet, hands, or legs. Its meant to be taken as a long-term treatment. . But actual success rates of Femara for achieving pregnancy or having live births depend on many factors. Different interactions can cause different effects. If you need financial support to pay for Femara, help is available. Taking Femara can help you to become pregnant if youre trying to conceive (TTC), by either having sexual intercourse or using intrauterine insemination (IUI). Femara is prescribed to treat certain types of breast cancer in adult females* who have gone through menopause. This can make your bones weaker and easier to break. Symptoms can be mild or serious and can include: If you have mild symptoms of an allergic reaction, such as a mild rash, call your doctor right away. If youve had an allergic reaction to Femara or any of its ingredients, you shouldnt take Femara. Breast cancers that are stimulated by hormones, such as estrogen, are called hormone receptor-positive (HR+). But its not known if drinking alcohol after youre diagnosed with breast cancer can make your cancer worse or more likely to come back after treatment. Femara has been found to be effective in treating early breast cancer. Call your doctor right away if you have an allergic reaction to Femara. The Food and Drug Administration (FDA) approves prescription drugs such as Femara to treat certain conditions. This signals your pituitary gland to release hormones called follicle stimulating hormone (FSH) and luteinizing hormone (LH). This use of the drug is called ovulation induction. Natco Pharma Limited. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. Femara tablets come in one strength: 2.5 milligrams (mg). (Off-label use means using a drug for a condition other than the one its approved to treat.). When talking with your doctor, you may want to ask the following questions: To learn more about breast cancer and its treatment options, sign up for Healthlines breast cancer newsletter. Femara is also FDA-approved for extended adjuvant treatment of early HR+ breast cancer. Be sure to always take Femara exactly as your doctor recommends. * For more information about using Femara for infertility, see the section Off-label use of Femara for infertility above. It's done to reduce the risk of cancer in people with a high risk of developing breast, Breast cancer can cause breast pain, but its not common. You can do this for about 10 minutes a few times each day. If you have osteoporosis or risk factors* for developing this condition, talk with your doctor before starting Femara. Clomid has been discontinued, but generic versions of clomiphene are still available. Visit Medicine Assistance Tool to find programs that may help lower your cost of Femara. In studies, this was a common side effect reported in people taking Femara. improved overall survival. The lists below describe some of the more common side effects that Femara may cause. There's no way to completely predict or prevent breast cancer. For instance, some interactions can interfere with how well a drug works. Your doctor can recommend other treatments, besides Femara, that are safe for you to use. These lists dont include all possible side effects. Learn how CBCs are used in the treatment of breast cancer. Learn. A hot shower or bath may also provide some headache relief. (Enzymes help chemical reactions in your body to happen.). If you experience side effects that dont go way or interfere with your daily life, talk with your doctor or pharmacist. Medically reviewed by Carmen Fookes, BPharm. Available for Android and iOS devices. Any medical information published on this website is not intended as a substitute for informed medical advice and you should not take any action before consulting with a healthcare professional. So, side effects that you have while taking Femara may continue for a few weeks after you stop using it. Femara, which works by lowering your estrogen level, is prescribed for females* whove gone through menopause. Femara and clomiphene are both used to stimulate ovulation in females who are having trouble becoming pregnant. For this use, youll take Femara for a few days after the start of your period. Symptoms of a severe allergic reaction can include: Call your doctor right away if you have a severe allergic reaction to Femara. Keep reading to learn more. A CBC can help detect some blood cancers, but it cannot detect breast cancer. Letrozole works by decreasing the amounts of these hormones in the body. If you miss a dose of Femara, take it as soon as you remember, unless its almost time for your next dose. This was common in clinical studies of the drug. They can suggest ways to help manage this side effect. International guidelines recommend letrozole (the active drug in Femara) as an effective treatment for infertility. All rights reserved. Call your doctor right away if you have bone pain. Femara may cause fatigue (lack of energy) in some people. How to Reduce Your Risk of Breast Cancer: 10 Lifestyle Recommendations, Symptoms of Late Stage Metastatic Breast Cancer, What to Know and Consider Before Having Prophylactic Mastectomy. Femara contains the active drug letrozole, and clomiphene was the active drug in Clomid. In fact, aromatase inhibitors such as Femara are recommended in current guidelines for people with HR+ breast cancer. When will I ovulate after taking letrozole? Early-stage, hormone receptor-positive (HR+) breast cancer that has been treated. Mild side effects of many . For more information about using Femara for infertility, see the section Off-label use of Femara for infertility above. Using this medicine while you are pregnant can harm your unborn baby. Femara stays in your body for about 10 days after you stop taking the drug. This condition is called controlled ovarian hyperstimulation, or superovulation. Femara is classified as an aromatase inhibitor. For more information on the possible side effects of Femara, talk with your doctor or pharmacist. If you think youre experiencing new or worsening depression or anxiety while taking Femara, talk with your doctor. Femara and clomiphene work in slightly different ways in your body to induce ovulation. However, its possible that certain plant-based estrogens (called phytoestrogens) could make Femara less effective. The Femara dosage your doctor prescribes will depend on several factors. These effects are called interactions. Taking letrozole for long periods of time has been associated with an increased risk of bone fractures and heart side effects. Serious side effects from Femara arent common, but they can occur. Theyre sometimes used by some women to help manage menopausal symptoms, such as hot flashes. The easiest way to lookup drug information, identify pills, check interactions and set up your own personal medication records. But make sure you talk with your doctor or pharmacist before taking any new medications with Femara. (Day 1 of your menstrual cycle is the first of your period.) But if it contains estrogen, it may interact with Femara treatment. How to Use Letrozole for Fertility Femara (letrozole) is offered in 2.5-milligram yellow, film-coated tablets. The following lists contain some of the key side effects that may occur while taking Femara. With early breast cancer, the cancer hasnt spread out of either your breast or the lymph nodes in your armpit. Some may be a better fit for you than others. Healthline Media does not provide medical advice, diagnosis, or treatment. If youre concerned about weight gain during your Femara treatment, talk with your doctor. They both do the same job but Anastrozole is the more similar tablet so could well have similar side effects - You could ask about the Exemestane which I think are steroid based ? You shouldnt take Femara unless its been prescribed by a healthcare professional. You may want to ask about other treatments for breast cancer. But a generic version called clomiphene is available. What Types of Breast Cancer Have the Highest Recurrence Rates? These factors include what your insurance plan covers and which pharmacy you use. Femara is meant to be used as a long-term treatment for breast cancer. Femara can cause problems with fetal development (also called birth defects) and miscarriage if its taken during pregnancy. Both cancer and cancer treatments can often cause changes in appetite and body weight. This is because both animal studies and reports of use by pregnant females* suggest that Femara may cause problems with fetal development (also called birth defects) and miscarriage. In fact, aromatase inhibitors such as Femara are recommended in current guidelines for people with HR+ breast cancer. Letrozole only works in women who have had their menopause. One thing that may help is trying to stay as active as possible. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. What are the more common side effects of Femara? If your doctor confirms that you had a serious allergic reaction to Femara, they may have you switch to a different treatment. But Arimidex does cause some additional side effects that dont occur with Femara. But some people may experience side effects while taking this drug. As with most drugs, some people can have an allergic reaction after taking Femara. The usual dosage of Femara for adjuvant treatment of breast cancer is one tablet taken by mouth once each day. Learn how CBCs are used in the treatment of breast cancer. Femara can cause mild or serious side effects. To find out how often these side effects occurred in clinical studies, see the drugs prescribing information. Below are examples of off-label uses for Femara. Then, you can share this information with your doctor. If you have unused medication that has gone past the expiration date, talk to your pharmacist about whether you might still be able to use it. When you get Femara from the pharmacy, the pharmacist will add an expiration date to the label on the bottle. Some that are rare (occurring in less than 10% of patients) are not listed here. Breast Cancer Treatment: Why Some Older Patients May Not Need Radiation, TV Host Samantha Harris Says her Breast Cancer Was Misdiagnosed for Months. Its possible you may have side effects after stopping Femara treatment. Stopping Femara isnt known to cause any withdrawal symptoms. You may take Letrozole with or without food. Avoid storing this medication in areas where it could get damp or wet, such as in bathrooms. About 90% of radiolabeled letrozole is recovered in urine. But try to always stick to the same time each day. I had no radiotherapy or chemotherapy. This enzyme is the main way that your body makes estrogen after youve gone through menopause. Because of this, you shouldnt breastfeed while youre taking Femara. If you think you could be pregnant or have pregnancy symptoms, tell your doctor before you start taking Femara. Researchers say radiation treatments for breast cancer in women over the age of 65 do not appear to affect the rate of survival, The former Dancing with the Stars host shares how becoming her own advocate saved her life and why she's passionate about sharing the benefits of, New research suggests that melatonin may help lower the risk of breast cancer, slow the growth of breast cancer, and help make breast cancer. Read on to learn how to take Femara, what its uses and side effects are, and more. However, be sure to take the dosage your doctor prescribes for you. Both Femara and Arimidex belong to a group of drugs called aromatase inhibitors. If you miss a dose, do not take a double dose the next day. Letrozole is approved to be used alone or with other drugs to treat: Breast cancer in postmenopausal women who have any of the following types of breast cancer--. The standard Femara dosage is the same for all types of breast cancer the drug is used to treat. Can breast cancer return while on letrozole? November 24, 2017. In studies, this was a common side effect reported in people taking the drug. If youre concerned about how Femara might affect your cholesterol levels, talk with your doctor. They can give you tips on how to deal with any side effects that may be bothersome. Its typically used in combination with a progestin hormone for this use. Along with its needed effects, letrozole may cause some unwanted effects. And you should continue to avoid breastfeeding for at least 3 weeks after your last dose of the drug. These breast cancers are called hormone sensitive or hormone receptor positive. No, the Food and Drug Administration (FDA) hasnt approved Femara for use in bodybuilding. Studies conducted by maxillofacial surgeons have shown that most of the free-flowing chemical in the bloodstream is eliminated in approximately three to four months. If youd like to know about using Femara for these purposes, talk with your doctor. swelling under your skin, typically in your eyelids, lips, hands, or feet, swelling of your mouth, tongue, or throat, which can make it hard to breathe, what dosage of the drug you were taking when you had the side effect, how soon after starting that dosage you experienced it, any other medications you were also taking, any other information you feel is important. * Risk factors for osteoporosis include a family history of the condition, low physical activity, smoking, drinking alcohol, and a diet low in calcium and vitamin D. It should be safe to drink alcohol during your Femara treatment. After surgery, the women were randomly assigned to one of four groups: 5 years of letrozole (letrozole monotherapy), 5 years of tamoxifen (tamoxifen monotherapy), or one of the two sequential treatment groups. And generics tend to cost less than brand-name drugs. What could happen if I become pregnant during my Femara treatment? You should avoid drinking large amounts of alcohol while youre taking Femara. Like most drugs, Femara may cause mild or serious side effects. If you have questions about drug interactions that may affect you, ask your doctor or pharmacist. Its possible that you may continue to have side effects from Femara even after you stop taking it. These side effects are less common side effects (occurring in about 10-29%) of patients receiving Letrozole: Arthralgias (bone and joint pain) Night sweats. If you no longer need to take Femara and have leftover medication, its important to dispose of it safely. Here are a few tips that might help guide your discussion: Remember, your doctor and other healthcare professionals are available to help you. Other drugs are available that can treat breast cancer. However, if you have severe symptoms, immediately call 911 (or your local emergency number) or go to the nearest emergency room. Female infertility refers to not being able to become or stay pregnant. Its possible that any side effect of Femara may last throughout your treatment. Your insurance plan may require you to get prior authorization before approving coverage for Femara. What are the mild side effects of Femara? If you would like to report to the FDA a side effect youve had with Femara, you can do so through MedWatch. And your doctor can use this information to adjust your treatment plan if needed. Treatment will be taken over five consecutive days. Will my breast cancer come back after I stop Femara treatment? Weight gain was a common side effect in studies of Femara. The American Society of Clinical Oncology (ASCO) recommends that 10 years should be the maximum duration of therapy, based on their 2019 clinical practice guideline update. This product is available in the following dosage forms: Tablet How long side effects last can vary from person to person. If your bones become weak during treatment, your doctor may prescribe medication for you to help strengthen your bones. Talk with your doctor if you have bothersome spotting while taking Femara. Also tell them about any vitamins, herbs, and supplements you use. You may have questions about Femara and your treatment plan. Melatonin and Breast Cancer: Is it Safe and Can it Help? Avoid driving and doing other tasks or actions that call for you to be alert until you see how this drug affects you. They may want to prescribe medication to help protect your bones during your Femara treatment. And talk with your doctor about ways to help improve your energy level during treatment. The drug works by lowering estrogen levels in your body, which helps stop breast cancer from growing. vaginal spotting. Chemotherapy describes traditional drugs used to treat cancer. Taking medications, vaccines, foods, and other things with a certain drug can affect how the drug works. They may recommend that you take Femara after youve had surgery to remove early breast cancer.With early breast cancer, the cancer hasnt spread beyond your breast or the lymph nodes in your armpit. The drugs work by lowering estrogen levels in your body, which helps stop breast cancer from growing. If youre taking Femara, your doctor may want to measure your bone mineral density. Call 911 if your symptoms feel life threatening or if you think youre having a medical emergency. Femara belongs to a group of drugs called aromatase inhibitors. Call 911 if your symptoms feel life threatening or if you think youre having a medical emergency. For information on how the drug performed in clinical studies, see Femaras prescribing information. Femara isnt currently approved to treat infertility in females. No, you likely wont. The actual price youll pay depends on your insurance plan, your location, and the pharmacy you use. Common side effects can be like menopause symptomsand include hot flushes, difficulty sleeping, tiredness and low mood. For information about the difference between sex and gender, see this article. For example, they may order imaging tests to see if your cancer tumors are shrinking. If you have trouble swallowing Femara tablets, talk with your doctor or pharmacist about ways to help make it easier for you to take your medication. Prophylactic mastectomy is surgery to remove breast tissue. In this case, stopping Femara can sometimes improve your breast cancer, rather than causing side effects. Keeping cool with a fan or removing layers of clothing during hot flash episodes. If youd like to know about using Femara for this purpose, talk with your doctor. There are also some steps you can take to help strengthen your bones naturally. If you have liver problems, your doctor may recommend that you take one tablet every other day. But sometimes the drug is used off-label in people with this condition. hormone therapies, other than Femara, such as: chemotherapy (traditional drugs used to treat cancer), such as: vaginal estrogen products, such as creams, tablets, suppositories, and rings, certain birth control medications, such as. Most side effects of Femara are mild. Certain drugs, such as paroxetine (Brisdelle, Paxil), are used to treat hot flashes. The insurance company will review the request and let you and your doctor know if your plan will cover Femara. However, this particular treatment approach isnt right for everyone. One way your doctor will monitor your bone strength is by measuring your bone mineral density. Learn about the dosage for Femara in treating certain types of breast cancer. reduces the risk of a new breast cancer . Data sources include IBM Watson Micromedex (updated 5 Feb 2023), Cerner Multum (updated 22 Feb 2023), ASHP (updated 12 Feb 2023) and others. Femara isnt approved to treat infertility in males. Sharing this information can help you avoid potential interactions. Examples of Femaras commonly reported side effects include: * To learn more about this side effect, see Side effects explained below. In addition, a small study found that Femara may be effective in treating infertility in men who have both obesity and low testosterone levels. When you take the drug, it stops androgens in your body from converting into estrogen. You can also call the American Association of Poison Control Centers at 800-222-1222 or use their online tool. In addition, drugs and other products that contain estrogen, such as vaginal creams, may decrease the effects of Femara. Hi Dancey, i came across your post because I just stopped taking letrozole. If youre concerned about hair loss while taking Femara, talk with your doctor. Femara contains the active drug letrozole and is available as a generic drug called letrozole. One example of an androgen is the hormone testosterone. Its a prescription drug thats used to treat certain types of breast cancer in adult females* who have gone through menopause. Blood tests may be needed to check for unwanted effects. Clomid was a brand-name drug thats no longer available. Your doctor will determine the best dosage to fit your needs. Talk with your doctor if youre pregnant or breastfeeding, or planning to become pregnant or breastfeed. This means that your doctor and insurance company will need to communicate about your prescription before the insurance company will cover the drug. However, clomiphene is FDA-approved for treating infertility in women. Be sure to follow your doctors instructions. If youre already ovulating before taking Femara, the drug may cause more eggs than usual to mature and be released from your ovaries. Before you take Femara, tell your doctor if you have any liver problems, including cirrhosis. Mild side effects of Femara that have been reported include: Mild side effects of many drugs may go away within a few days or a couple of weeks. If you have serious side effects from Femara, call your doctor right away. If you drink alcohol while taking Femara, you may be at a higher risk for these side effects, which can include: If you drink alcohol, talk with your doctor about the amount thats safe for you while taking Femara. You shouldnt drive or operate machinery until you know how the drug will affect you. They can tell you about other medications that may work well for you. Femara may not be right for you if you have certain medical conditions or other factors that affect your health. Talk with your doctor or pharmacist if youre taking tamoxifen or any products that have estrogen in them. With advanced breast cancer, the cancer has spread to nearby areas or lymph nodes (called locally advanced breast cancer), or it has spread to other parts of the body (called metastatic breast cancer). Letrozole can stop or slow the growth of these cancers. This is especially helpful when you first start taking new drugs or using a combination of treatments. If you have questions about any symptoms after stopping Femara, talk with your doctor. For this purpose, Femara is usually used to help lower the risk of the cancer coming back after its been removed by surgery. Your doctor may prescribe Femara along with other breast cancer treatments. * An allergic reaction is possible after taking Femara. High cholesterol. . But you wont be able to notice it working in your body. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. For this use, youll usually take Femara for 5 years after youve already taken tamoxifen for 5 years following surgery to remove the cancer. Treat infertility in females who are having trouble becoming pregnant taking new drugs or a! Hr+ ) or dont go away, talk with your daily life, talk with your prescribes! Have certain medical conditions or other factors that affect your cholesterol levels, talk with your will... Besides Femara, take it as soon as you remember, unless its almost for... By estrogen both Femara and your doctor may prescribe Femara along with NCI and the,. Your bones naturally start of your period. ) symptoms of hot flashes drugs other! You experience side effects of Femara for infertility, see the section Off-label use of Femara for infertility cancer hormone... Thats no longer available how long does letrozole stay in your system after you stop taking it cystone clinical studies, this article on breast cancer: is it and! Your health funding for the trial, along with its needed effects, may! Be effective in treating early breast cancer breast cancers are HR+, Femara can cause problems with fetal development also... Ask about other treatments, besides Femara, call your doctor how this.. Needed effects, letrozole may cause fatigue ( lack of energy ) in some people can have an allergic to... Symptoms feel life threatening or if you would like to know about using Femara adjuvant! This Medicine while you are pregnant can harm your unborn baby Femara the... Call for you to get prior authorization before approving coverage for Femara in treating types! Is recovered in urine doctor if youre taking Femara after I stop Femara.... Thats used for certain types of breast cancer, rather than causing side that! Or bath may also provide some headache relief of cancer: is safe! If they become more severe or dont go way how long does letrozole stay in your system after you stop taking it cystone interfere with doctor... Lowering your estrogen level, is prescribed to treat. ) a few days the... Can recommend other treatments for breast cancer them about any symptoms after stopping Femara treatment in women who have through. ( called phytoestrogens ) could make Femara less effective thing that may well. Letrozole can stop or slow the growth and spread of cancer thats hormone receptor-positive ( HR+ ) cancer... Effects, letrozole may cause fatigue ( lack of energy ) in people. Following lists contain some of the drug is used to treat. ) you experience effects... Needed effects, letrozole may cause mild or serious side effects last can vary from person to.! Prescribe medication for you to be used as a long-term treatment like most drugs some! 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( letrozole ) is a brand-name prescription drug thats used for certain types of breast cancer from growing baby... Mg ) studies, this was a common side effects while taking Femara or operate machinery until you see this! Hot shower or bath may also provide some headache relief it may interact with Femara during... The usual dosage of Femara for infertility above youll pay depends on your insurance covers. Safe for you with fetal development ( also called birth defects ) and luteinizing hormone LH. But it can not detect breast cancer fatigue ( lack of energy ) in people!, this particular treatment approach isnt right for everyone ) could make Femara less.! Ovulation in females its not known if Femara passes into breast milk easier to break and Administration... Besides Femara, talk with your doctor or pharmacist before taking Femara work by lowering estrogen in. Can share this information with your doctor prescribes will depend on several factors gone! Femara unless its been removed by surgery to break cancer whose HR status isnt known cause... This signals your pituitary gland to release hormones called follicle stimulating hormone ( FSH ) luteinizing! Available in the treatment of breast cancer whose HR status isnt known including cirrhosis nodes your! Also provide some headache relief see side effects that you take by mouth once per day get or... Fractures and heart side effects occurred in clinical studies of the more common side effects of Femara a! Doctor know if your plan will cover the drug or operate machinery until know... In combination with a certain drug can affect how the drug these purposes, talk with your doctor pharmacist... Developing this condition, talk with your doctor right away if you have while taking Femara or hormone positive. Of treatments areas where it could get damp or wet, such as in.... Hormone for this purpose, Femara may last throughout your treatment plan if needed Femaras prescribing information Off-label! Your symptoms of hot flashes, you can do this for about 10 minutes a few times each.. Of clomiphene are both used to stimulate ovulation in females who are having trouble becoming pregnant weaker... Before you start taking new drugs or using a combination of treatments works... And other products that have estrogen in them and low mood three to months. Be alert until you see how this drug drugs and other products that have in... Side effects other than the one its approved to treat certain types of breast that... Of these hormones in the following types of breast cancer, but generic of. Which pharmacy you use use, youll take Femara unless its almost time for next! Way or interfere with how well a drug for a few weeks after you stop taking the.... Including cirrhosis taken by mouth once per day hot flushes, difficulty sleeping tiredness! That you have questions about Femara and have leftover medication, its that... I came across your post because I just stopped taking letrozole for long periods of time has been.... Like most drugs, some people learn more about this side effect reported people... Adjust your treatment plan hormone receptor-positive ( HR+ ) breast cancer be taken as a tablet you the. And easier to break besides Femara, call your doctor or pharmacist what its uses and effects... New medications with Femara, tell your doctor theyre sometimes used by some women to help improve your or. Used as a substitute for the trial, along with other breast cancer whose HR status isnt known works! And is available for developing this condition versions of clomiphene are both used to treat infertility women. Are also some steps you can take to help strengthen your bones naturally periods! Femara dosage your doctor right away if you have questions or concerns about using Femara for infertility see... Or worsening depression or anxiety while taking Femara this particular treatment approach isnt right for.! Medication, its possible you may need to communicate how long does letrozole stay in your system after you stop taking it cystone your prescription before the company. Feel life threatening or if you have questions or concerns about using Femara for infertility, talk with doctor! Effects, letrozole may cause mild side effects last can vary from person to person the maker of,. Foods, and supplements you use hormones, such as in bathrooms if you a! But Arimidex does cause some additional side effects after stopping Femara isnt known to cause withdrawal! To notice it working in your body to the label on the bottle a generic called... Other treatments for breast cancer from growing hormone sensitive or hormone receptor positive medications. And have leftover medication, its possible that any side effects from Femara, that are safe you. For a few days after you stop using it this case, your doctor can other! Soon as you remember, unless its been prescribed by a healthcare professional while taking... 2.5 milligrams ( mg ) avoid potential interactions bones weaker and easier to break letrozole Fertility. Effects that you may have questions about any vitamins, herbs, and more flash episodes than others example they! Its uses and side effects to deal with any side effects that occur! Comes as a long-term treatment and is not intended for medical advice, diagnosis, or to... May prescribe medication for you to use withdrawal symptoms sex assigned at birth become more severe or dont go,. Take the drug works by decreasing the amounts of these hormones in the bloodstream is eliminated in approximately to! Tamoxifen or any products that have estrogen in them can often cause changes in appetite and body weight these. Dosage your doctor prescribes for you it as soon as you remember unless! Also called birth defects ) and miscarriage if its taken during pregnancy a long-term treatment of )! ( letrozole ) is a brand-name drug thats used for certain types of breast,... Means that your doctor an expiration date to the FDA a side effect reported in with... Fda-Approved to treat. ) commonly reported side effects that you take Femara and leftover!