Doctor insights on:
Medicine For Letrozole Allergy
Letrozole is a commonly used medicine for the prevention/treatment of certain types of breast cancer. It is a safe medicine. It prevents the conversion of male to female hormones. It is also commonly used now for fertility treatment. It can help ovulation and can help a woman make an extra egg sometimes. It is often used instead of Clomid (clomiphene) for fertility treatment ...Read more
Breast cancer: Hormonal adjuvant for treatment.Get a more detailed answer ›
Very helpful: Femara or Letrozole is an oral ovulation induction medication. It works sometimes when Clomid (clomiphene) doesn't. It also helps pregnancies to occur when Clomid (clomiphene) fails. It seems to be very helpful especially in patients with pcos. The pregnancy rates are similar to Clomid (clomiphene) but the side effects are less and the multiple pregnancies seem to be also less. ...Read more
See full answer: Currently the alternatives to Femara (also known as letrozole) are Arimidex (anastrozole) and Aromasin (exemestane). All 3 belong to a class of medications known as aromatase inhibitors and can help reduce the risk of breast cancer recurrence. Another type of medication, tamoxifen, is known as a selective estrogen receptor modulator, or serm - it is primarily used in premenopapusal women. ...Read moreSee 1 more doctor answer
Can I put about 100 letrozole pills in a bottle? It was originally in blisters. Does the medicine degrade if it stays for too long in a bottle?
Ask pharmacist: According to one site, letrozole" "Store Below 40°C. Protect from Sunlight and Moisture" The individual compartments protect it from moisture. I do not know how sensitive it is to it. Write the manufacturer and ask, if your pharmacist cannot help you.. ...Read moreSee 1 more doctor answer
Will anything ( OTC medicines, herbs, supplements etc) decrease the effectiveness of taking femara (letrozole) for infertility?
Yes: Letrozole (femara) is primarily cleared/metabolized by a liver enzyme called cytochrome p450. Several herbs and supplements can enhance or impair cytochrome p450 activity and hence alter the metabolism of letrazole through competing at this enzyme. Please check with your doctor if you are using any herbs or supplements. ...Read more
I took Letrozole 2.5mg for five days. I had bad cramps and a long spotting period could it be a side effect of the drugs?
Ovulation test: If you were taking Letrozole I assume it was to help with ovulation. If so then the key step is to have testing done to determine if ovulation occurred or not. This way the doctor can evaluate if the medication is working or not. This is more important than how it affected one menstrual cycle. If your periods continue to be abnormal have your fertility doctor evaluate you for abnormal periods. ...Read more
Not related: The effect of Femara (letrozole) or of chemo on the cancer is unrelated to the platelet count. The choice between the two has to do with clinical characteristics of the cancer and the patient, not the blood counts. That said, if a patient's platelets are too low, it may not be possible to give chemo but that has to do with side effects, not effectiveness against the cancer. ...Read more
Forgive my frankness: If you actually have cancer, then you deserve to have the most effective treatment made available to you. Your physician is under super-strict obligation by the law to tell you the truth, while supplement / "herbal" websites are for the most part deliberately created to deceive you. If you respect your own body or care about those who love you, make your decision on accurate information. ...Read moreSee 1 more doctor answer
Femara (letrozole) is metabolized in liver by cytochrome p450 system. Astaxanthin says "use cautiously w drugs metabolized by liver's cytochrome p450 enzyme system; does this mean don't use astaxanthin w femara (letrozole)?
Not necesarilly but: Virtually all drugs are metabolized by cytochrome p450 enzymes.Astaxanthin can stimulate these, so it could lead to lower blood levels of "certain drugs" according to http://www.Naturalmedicinejournal.Com/article_content.Asp?Article=293. I no of no evidence that Femara (letrozole) is one of the drugs it interacts with. Small amounts of astaxanthin are unlikely to have much effect.Ask the doc who prescribed it. ...Read moreSee 1 more doctor answer
On femara (letrozole) fertility drug after ovulation will you get your period if conception doesn't happen?
Yes: It will be very similar to when you ovulate naturally. Good luck! ...Read more
Hot Flashes: Generally speaking, Letrozole (femara) is very well-tolerated. The most common side effects include hot flashes, fatigue, joint pain, and headaches. Women with osteoporosis are at an even higher risk of fractures when taking letrozole, therefore, your doctor may prescribe another medication to treat osteoporosis. ...Read moreSee 4 more doctor answers
Discuss with you MD: It depends on what you mean by "vacation". How long you are thinking to stay off the femara (letrozole)?. Since i don't know any other information- such as the staging- the goal of therapy, your tolerance etc, i would suggest you to discuss this matter with your oncologist. ...Read moreSee 1 more doctor answer
Letrazole: Letrazole is probably as effective as Clomid (clomiphene) in inducing ovulation and probably better in patients with pcos. It is used off-label for this purpose but has some advantages over clomid (clomiphene). Does not cause thinning of the uterine lining, doesn't affect cervical mucus and induces a single follicle, so less chance of multiples and hyperstimulation. ...Read more
Most likely: Femara is the brand name for the drug letrozole, which is an aromatase inhibitor. This kind of drug blocks production of estrogen, making the body think it should create a surge of hormones like those that prompt ovulation. Letrozole is sometimes used in women being treated for infertility to induce ovulation. In post-menopausal women, ovulation will not occur, and Letrozole has other uses. ...Read moreSee 1 more doctor answer
Different action: Tamoxifen blocks the estrogen receptor, while Femara (letrozole) blocks the formation of estrogen. Estrogen levels are not lowered by tamoxifen, but they are lowered by femara (letrozole). Both cause hot flashes, bone loss, depression, memory problems and decreased libido. Tamoxifen increases blood clot and uterine cancer risk and causes vaginal discharge, while Femara (letrozole) causes more joint pain and vaginal dryness. ...Read moreSee 1 more doctor answer
Potentially: Hi. By lowering endogenous estrogen, letrozole may lead to a slight decrease in TBG. Unless you are taking l-thyroxine for hypothyroidism, it won't matter, however, because your pituitary will adjust thyroid hormone production to keep it normal. What condition are you taking letrozole for? Good luck! ...Read more
No: Gynecomastia is associated with higher estrogen levels due to hormone changes. See your doctor. Typically surgery is your only option for true gynecomastia. Plus common side effects of that include hot flashes, hair loss, joint/bone/muscle pain, tiredness, unusual sweating, nausea, diarrhea, dizziness, and trouble sleeping. See your doctor. ...Read moreSee 1 more doctor answer
No: No effect.Get a more detailed answer ›
It can be: Letrozole (femara) is an anti-estrogen that tricks the brain (pituitary) into making more fsh which can increase the number of eggs produced in a cycle. It is not as effective as ivf or injectable medications and is usually used in women younger than age 40 for infertility. Please see: http://www.Asrm.Org/medications_for_inducing_ovulation/ for more information. ...Read more
Depends: The success rate varies tremendously based on many factors including diagnosis (for instance ovulation problems, sperm problems, endometriosis, etc), the age of the woman, how the fallopian tubes work, . Etc. Pregnancy rates can be as low as 1% or as high as 20-25% per month. ...Read moreSee 1 more doctor answer
It can: Hi. Letrozole is an aromatase inhibitor that by inhibiting the production of estrogen causes a spike in the pituitary hormones (LH & FSH) that drive ovulation, and doing so can cause ovulation in women for whom ovulation is not occurring normally. It's not guaranteed to achieve pregnancy with, but the odds go up. Good luck! ...Read more
Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more
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