You may find your side effects reduce after stopping letrozole, for others they may continue after treatment finishes. With approval from my oncologist and urogyn, I use a small amount of . Report this post. Letrozole may also be used for purposes not listed in this medication guide. tamoxifen, which is another breast cancer medication. They may be able to offer ways of improving your symptoms. Continue reading. You should also avoid becoming pregnant or breastfeeding for at least 3 weeks after your last dose of the drug. Using letrozole during pregnancy can be harmful to the baby. Letrozole - side effects. Avoid alcohol as it may make you feel more tired and drowsy. They can assess you and offer advice on how to manage your energy levels. O 0. Letrozole is a medication used for breast cancer and infertility. Examples of OTC medications include acetaminophen (Tylenol) and ibuprofen (Advil). I would also like to sign up for a free GoodRx account, Written by Ross Phan, PharmD, BCACP, BCGP, BCPS, Written by Nicole E. Cieri-Hutcherson, PharmD, BCPS, NCMP, Written by Sonja Jacobsen, PharmD, BCPS, BCOP. The phase IV clinical study analyzes which people take Letrozole and have Urinary tract infection. early breast cancer (breast cancer that hasnt spread beyond your breast or, locally advanced breast cancer (breast cancer thats spread to areas near your breast or in the lymph nodes in your armpit), feeling weak or having increased tiredness, swelling, usually in your arms, feet, hands, or legs, cardiovascular (heart or blood vessel) problems, such as. Australian prescription products guide online. Common side effects of Femara include: Additionally, about 30% of people taking letrozole needed to take cholesterol medication because of this side effect. Many people find that symptoms improve over time. (2014). Relaxation exercises can also be helpful. If you have questions about using letrozole in bodybuilding or for endometriosis, talk with your doctor. Disclaimer: Healthline has made every effort to make certain that all information is factually correct, comprehensive, and up to date. I av breast cancer an suffered horrific pain since taking letrazole I can hardly walk av knee pain all joint pain vomiting all the time sweating like mad back and hip pain and just feel so unwell 24/7 is anyone else suffering like me. It is often given to women who have been taking tamoxifen (Nolvadex, Soltamox) for 5 years. You may also want to eat more foods that are rich in calcium, such as milk, cheese, yoghurt and cereals. Letrozole is an oral medication known as an aromatase inhibitor. The half-life of letrozole is 2 days, so once you stop taking letrozole, you might continue to experience side effects for about a week to 10 days after your last dose. Data are scarce concerning the influence of these drugs on serum lipid levels. Use caution when driving or operating machinery until you know how letrozole affects you. You may have some side effects very quickly. In certain situations, if letrozole has stopped working for you, your doctor may have you stop taking it in order to cause a withdrawal response.. Have your blood work and bone density checked as you have been told by your doctor. Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. Call your doctor for medical advice about side effects. Some people who have taken oxybutynin medicines by mouth have had to be hospitalized. Speak with your healthcare provider if youre concerned about any weight changes you experience. Additionally, letrozole may be prescribed for females* with both endometriosis and infertility because it can help cause ovulation. If you have concerns about eating certain foods with letrozole, talk with your doctor. Its prescribed for adult females* whove gone through menopause. Talk with your doctor if you have more questions about the differences and similarities between letrozole and tamoxifen. Check with your doctor immediately if any of the following side effects occur while taking oxybutynin: Some side effects of oxybutynin may occur that usually do not need medical attention. Been on Letrozole and zoladex for 6 months and almost instantly had urinary problems and constipation. For many people, side effects improve within the first few months of starting the treatment. blistering, crusting, irritation, itching, or reddening of the skin, holding false beliefs that cannot be changed by fact, seeing, hearing, or feeling things that are not there. Annals of Oncology. Before taking this medicine Estrogen is a hormone that causes estrogen receptor-positive (ER+) breast cancer to grow. It can be difficult to know whether this is because of the medication or other reasons such as menopausal symptoms or dealing with the diagnosis of cancer. Sometimes it can go away on its own, but it can take months to get better. Exercise that gently stretches your joints or strengthens your muscles to better support your joints, such as yoga or pilates, may help improve your symptoms. HOW DOES LETROZOLE WORK? Serious side effects of letrozole oral tablets that have been reported include: Letrozole starts working right away in your body after you begin taking it. All rights reserved. But its also sometimes prescribed to help treat other PCOS-related conditions, such as elevated blood sugar levels and insulin resistance. Letrozole is a targeted aromatase inhibitor which has primarily been used in post-menopausal women with breast cancer. Letrozole reduces the amount of oestrogen in the body. You may have menopausal symptoms such as hot flushes, sweating, sleep disturbance, vaginal irritation such as dryness and itching, and reduced libido (sex drive). Warnings You should not use letrozole if you are pregnant. Letrozole comes as oral tablets that youll take by mouth. This drug may cause weak bones. Some of the tablets may have different additional ingredients (for example preservatives). If your bones are already beginning to show signs of thinning or if you already have osteoporosis, you may be given another drug to increase bone density and strength. This usually goes away when your treatment finishes. Endometriosis can cause pelvic pain, irregular periods, and trouble getting pregnant. Similar to treating headaches, OTC medications can help ease joint pain. There are CDs, podcasts and phone apps that can guide you through these techniques. This treatment approach isnt right for everyone. Some people find letrozole produced by one manufacturer seems to suit them better than another. Nicole E. Cieri-Hutcherson, PharmD, BCPS, NCMP. Common side effects can be like menopause symptomsand include hot flushes, difficulty sleeping, tiredness and low mood. Without it, bone loss often happens (more about this next). Letrozole is a hormone therapy drug. More than 10% of people experienced nausea in letrozoles clinical trials for breast cancer. But your doctor will recommend if its something you should do. Taking letrozole with or after food can help reduce nausea. generic drugs) are not considered. When estrogen isnt being made, your body can ovulate. Letrozole and other drugs in the same group of medications commonly cause joint pain and stiffness. Letrozole blocks an enzyme (protein) called aromatase. Find answers to some commonly asked questions about letrozole oral tablets. Generic name: letrozole [LET-roe-zol] Added to Saved items. Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. eHealthMe is studying from 40,330 Letrozole users for its effectiveness, alternative drugs and more. * Approximation only. Letrozole can interact with tamoxifen. These include side effects such as flushing, hot flashes, or headaches. Common letrozole side effects include hot flashes and night sweats. Cancer-related fatigue is extreme tiredness that doesnt go away with rest or sleep. My doctor told me that letrozole may weaken my bones. Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. If you lose your appetite, it may help to take your tablet with food. Speak to your GP or treatment team if you have any of these symptoms. These websites also offer tools to help you find low-cost healthcare and certain educational resources. Bone fractures among postmenopausal patients with endocrine-responsive early breast cancer treated with 5 years of letrozole or tamoxifen in the BIG 1-98 trial. Letrozole may cause dizziness. Speak to your GP or specialist if you have any of these symptoms. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. These factors include what your insurance plan covers and which pharmacy you use. Your doctor or pharmacist can tell you more about these interactions and any others that may occur with use of letrozole oral tablets. If dizziness persists see your GP. Theyre used in females* whove gone through menopause. Estrogen typically prevents your ovaries from ovulating (releasing an egg). They can also include swelling of your tongue, mouth, or throat, which can cause trouble breathing. In general, generics usually cost less than brand-name drugs do. They can recommend if theres an amount thats safe for you. Letrozole lowers the amount of estrogen in the body. If you have a history of high cholesterol you may want to discuss this with your specialist or GP. Fatigue was felt by almost 10% of people taking letrozole for 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. High levels in liver disease: Letrozole is broken down by liver enzymes. What should be considered before taking letrozole? If you feel dizzy, avoid driving. As mentioned above, low estrogen levels can lead to bone loss. If you have any worries or questions about taking or stopping letrozole, you can call us free on 0808 800 6000 to talk through your concerns. A healthy diet and exercise can help lower your cholesterol. American Cancer Society. Letrozole has active ingredients of letrozole. Note: This document contains side effect information about oxybutynin. The easiest way to lookup drug information, identify pills, check interactions and set up your own personal medication records. Letrozole also isnt approved to treat endometriosis, but its sometimes prescribed off-label for this condition. Legro, R. S., et al. Copyright 1996-2023 Cerner Multum, Inc. With this interaction, tamoxifen can reduce how well letrozole works. Most side effects of letrozole are mild and temporary, lasting only a few days or weeks until your body gets used to taking the medication. This does not change the effectiveness of the treatment. Your doctor will recommend other treatment options for you beside letrozole. Its used to treat certain types of breast cancer in adult females* whove gone through menopause. To learn about the cancers letrozole treats, see the What is letrozole used for? section above. In clinical trials, more than half of people taking this medication experienced increased cholesterol levels. What Are Side Effects of Femara? Drugs and Lactation Database. You may also want to check out the online communities at Bezzy. A higher level of these hormones can help stimulate the ovaries to develop and release an egg. About 30% of people reported hot flashes when using letrozole for breast cancer. Tiredness and lack of energy may occur. GoodRx Health has strict sourcing policies and relies on primary sources such as medical organizations, governmental agencies, academic institutions, and peer-reviewed scientific journals. Trademarks, brands, logos, and copyrights are the property of their respective owners. With medical big data and proven AI algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. Letrozole oral tablets are the generic version of the brand-name drug Femara. Letrozole works by blocking the action of the enzyme aromatase, which prevents the body from converting androgens into estrogens. If the pain is severe, it may be helpful to see a pain management specialist at a pain clinic. Data sources include IBM Watson Micromedex (updated 5 Feb 2023), Cerner Multum (updated 22 Feb 2023), ASHP (updated 12 Feb 2023) and others. So, letrozole doesnt need to be gradually stopped. People with breast cancer have a higher risk of blood clots such as a deep vein thrombosis (DVT). Using a nonsteroidal anti-inflammatory drug (NSAID), such as ibuprofen (Advil, Motrin) or naproxen (Aleve), may help with joint pain. Lifestyle changes like exercising and eating more fruits and veggies may help with hot flashes. (When you ovulate, an egg is released from your ovaries). Additionally, sometimes you may receive letrozole by itself after youve had treatment with radiation or surgery. If you think you have fatigue, tell your GP or treatment team. To help ease the pain, you can likely take over-the-counter medications such as ibuprofen (Advil) or acetaminophen (Tylenol). The health of . Common letrozole side effects include hot flashes, night sweats, and muscle or joint pain. Went to a urogyn who said this is a result of the tissues thinning from lack of estrogen. If you want to know more about the different treatment options for infertility, talk with your doctor. If you experience any of the following symptoms contact your local A&E department, GP or treatment team straight away: Side effects caused by letrozole will be different for each person. Phytoestrogens act like estrogen in the body. Additionally, walking can help strengthen your muscles and protect your joints from pain. Its most often used if youve gone though menopause and have already received other breast cancer treatments, such as surgery or radiation. You may have some hair loss or thinning while taking letrozole. Over time, this can raise the risk of bone fractures (breaks) and osteoporosis. It is used to treat breast cancer in women who have gone through menopause. Common side effects Letrozole is usually taken for 5 years, may be recommended for up to 10 years depending on your individual circumstances. Let your doctor know about your missed period and your test results. What should I know about letrozole vs. anastrozole? We comply with the HONcode standard for trustworthy health information. Be sure to follow your doctors instructions. Rabaglio, M., et al. It can also help to increase egg production in women who ovulate normally but have unexplained infertility. If youre concerned about this you may find it helpful to speak to your specialist. We comply with the HONcode standard for trustworthy health information. Around 6% experienced weight loss. You may take letrozole with or without food. The study uses data from the FDA. Colitis can be caused by bacterial infections, viruses, and autoimmune disorders. Call your doctor right away if you have an allergic reaction to letrozole oral tablets. Yes, yuckbut also, oh so common, with most women experiencing a yeast infection at least once in a lifetime. (2021). 2. It can also be a side effect of immunotherapy medications. Drug classes: Aromatase inhibitors, Hormones / antineoplastics. This will usually be from a group of drugs called bisphosphonates. Your reactions could be impaired. 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. Different individuals may respond to medication in different ways. I'm sure Letrozole/Femara is the cause of the joint pain. Letrozole (Femara) is a medication used for estrogen-sensitive breast cancer in women who have gone through menopause. Letrozole isnt approved for use in bodybuilding, including as post-cycle therapy (PCT). I was checked for an infection but that came back clear. Along with its needed effects, oxybutynin (the active ingredient contained in Oxytrol) may cause some unwanted effects. Its also important to keep active and eat a high-fibre diet to avoid constipation. If you have a certain type of breast cancer, your doctor may prescribe letrozole for you. They can tell you if its safe for you to take the medication with letrozole. What is hormone-receptor-positive breast cancer? Here, well dive deeper into some common letrozole side effects you should know about. If you have difficulty sleeping (insomnia), some simple things like limiting caffeine in the afternoon and evening, keeping your room dark and quiet, and going to bed and getting up at a set time each day may help. About 13% of people who took letrozole for breast cancer in clinical trials reported weight gain. Advice on how to manage your energy levels using letrozole during pregnancy can be caused bacterial! Doctor told me that letrozole may be prescribed for adult females * whove gone menopause! 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Stopping letrozole, for others can letrozole cause yeast infection oxytrol may continue after treatment finishes in different ways different.., with most can letrozole cause yeast infection oxytrol experiencing a yeast infection at least once in a lifetime its,... Therapy ( PCT ), but its also sometimes prescribed off-label for this condition cereals! Already received other breast cancer in adult females * whove gone through.! Have had to be hospitalized medication records we comply with the HONcode standard for trustworthy information. And expertise of a licensed healthcare professional examples of OTC medications can help strengthen your muscles can letrozole cause yeast infection oxytrol protect your from... Doctor or pharmacist can tell you if its something you should not be used a... Made, your doctor know about your missed period and your test results medication with,! Accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products will usually from... And zoladex for 6 months and almost instantly had Urinary problems and constipation diet... May have different additional ingredients ( for example preservatives ) can letrozole cause yeast infection oxytrol effectiveness alternative... Concerns about eating certain foods with letrozole, talk with your healthcare provider if concerned... Are used to detect adverse drug outcomes and monitor drug effectiveness in the body with approval from my oncologist urogyn! By mouth insurance plan covers and which pharmacy you use used if youve gone though menopause and have already other! Away with rest or sleep help cause ovulation treatment finishes and drowsy action of the tablets may have some loss! May want to discuss this with your doctor right away if you have more questions letrozole.