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Doctor insights on: Medicine For Letrozole Allergy

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What is the definition or description of: Femara (letrozole) allergy?

What is the definition or description of: Femara (letrozole) allergy?

Misguided Reaction: Femara (letrozole) allergy is a misguided reaction by the immune system of the body to Femara that often produces unpleasant symptoms. ...Read more

Dr. Stephen Scholand
80 Doctors shared insights

Letrozole (Definition)

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


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Is femara (letrozole) used as a fertility drug?

Is femara (letrozole) used as a fertility drug?

Yes: Although Femara (letrozole) is only fda approved for the treatment of certain types of breast cancer, it is also used off-label to stimulate ovulation in fertility treatments. It is sometimes used in the place of clomifene (clomid) for ovarian stimulation. ...Read more

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How helpful is the fertility drug femara (letrozole)?

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

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Is it safe to have surgery while using the drug femara (letrozole)?

Probably: Almost certainly yes, but to be specific i'd ask 1) what surgery?) and 2) why are you using femara (letrozole)? If in doubt, ask your surgeon. ...Read more

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What are some alternate medicines for femara (letrozole)?

What are some alternate medicines for femara (letrozole)?

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 more

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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 more

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How good is the cancer drug femara (letrozole)?

How good is the cancer drug femara (letrozole)?

A good drug: It is used to prevent recurrence of breast cancer after surgery. It also is an effective treatment for hormone receptor positive recurrent breast cancer. ...Read more

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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

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How effective is femara (letrozole) drug instead of chemotherapy in a person with low platelets?

How effective is femara (letrozole) drug instead of chemotherapy in a person with low platelets?

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

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What herbal medicine can be taken in place of femara (letrozole) for cancer treatment?

What herbal medicine can be taken in place of femara (letrozole) for cancer treatment?

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 more

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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)?

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 more

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Where can I get letrozole?

From a doctor: Letrozole is a prescription medicine, so in most countries a doctor has to write a prescription before you can obtain it from a chemist shop. ...Read more

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What happens if I take a random dose of letrozole?

Nothing serious: It is a well tolerated drug. It is not chemotherapy, so it is harmless. ...Read more

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Can you tell me if letrozole and trigger works well?

If appropriate: If used in young women to treat ovulatory infertility, and if timed correctly, this can be successful treatment. For older women (say >38 y.o.), for anything besides ovulatory infertility, and if not timed well it is unlikely to be successful. Good wishes. ...Read more

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What are some side effects of letrozole?

What are some side effects of letrozole?

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 more

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What are some of the side effects for letrozole?

What are some of the side effects for letrozole?

Letrozole: Http://www. Nlm. Nih. Gov/medlineplus/druginfo/meds/a698004.html

if any concern, please see and discuss with your oncologist. ...Read more

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Is it ok to take a "vacation" from femara (letrozole)?

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 more

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Has anyone used letrozole for fertility and how effective?

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

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What is the definition or description of: femara (letrozole)?

Femara (letrozole): Letrozole (femara (letrozole) (r)) is a medicine that blocks the conversion of androgens in fat cells to the strong estrogen (estrone). ...Read more

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Will I ovulate while on femara (letrozole)?

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 more

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Can I have wine if I'm on femara (letrozole)?

Can I have wine if I'm on femara (letrozole)?

Yes if you have to h: We discourage alcohol use for patients with cancer who are taking treatment. But one glass of wine occasionally is acceptable and relatively harmless. ...Read more

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What are differences between femara (letrozole) and arimidex?

What are differences between femara (letrozole) and arimidex?

The names and doses: Femara (letrozole) and Arimidex are both aromatase inhibitors that are taken by mouth once a day. They work by prevenitg fat cells from making estrogen, which lowers total estrogen in your body. We use them identically in practice. ...Read more

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What are the similarities and differences between tamoxifen and femara (letrozole)?

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 more

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What are some similarities and differences between tamoxefen and femara (letrozole)?

Requires long answer: The answer is too long to fit into 400 characters but there is a nice summary at http://www. Health. Com/health/condition-article/0, 20188924, 00.Html. ...Read more

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Does femara (letrozole) cause insomnia?

Yes: Femara (letrozole) causes insomnia in 7% of people who take it. ...Read more

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Can letrozole affect thyroid function, or TBG?

Can letrozole affect thyroid function, or TBG?

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

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Can gynecomastia be cured using letrozole tablets?

Can gynecomastia be cured using letrozole tablets?

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 more

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What are the common adverse reactions of letrozole?

Letrozole: There are many so please follow this link for an appropriate list.

http://www. Mayoclinic. Com/health/drug-information/dr601669/dsection=side-effects. ...Read more

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When do u take femara (letrozole) 2.5 for infertility?

????: Femara is contraindicated in pregancy and can cause birth defects. I suppose that you mean clomid (clomiphene) which is 50mg a day starting on the 5th day after the first day of your menstrual cycle and take it for 5 days to induce ovulation. ...Read more

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Is it okay to take ranitidine while on femara (letrozole)?

Yes: There is no significant interaction between the two drugs. ...Read more

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Is femara (letrozole) an effective infertility medication?

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

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Is it ok to take letrozole 2.5mg in tandem with gh therapy?

Is it ok to take letrozole 2.5mg in tandem with gh therapy?

Yes: I think that the two medication should not have harmful interactions. The bigger question is whether growth hormone is proven to benefit fertility. It has come and gone and come back again. I suggest a chat with your doc to discuss which combination of meds would best help you. ...Read more

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What is the success rate of femara (letrozole) for infertility?

What is the success rate of femara (letrozole) for infertility?

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 more

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Letrozole 2.5 mg femara (letrozole) will it help to get pregnant?

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

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Cn femara (letrozole) taken instead of arimidex if arimidex not found?

Cn femara (letrozole) taken instead of arimidex if arimidex not found?

As your Doctor: This question is best answered by the doctor who prescribed Arimidex (anastrozole). There are many different reasons to prescribe it. I wouldn't make this kind of substitution without an OK from your prescribing doctor. Best wishes! ...Read more

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Is there a way to predict who will have an adverse reaction to letrozole?

Is there a way to predict who will have an adverse reaction to letrozole?

Skin testing...: Can be suggestive of an immediate allergic reaction, but is not a validated test. As far as other adverse reactions, including delayed allergic reactions, there is no predictive test which I am aware of. ...Read more

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Is it a problem to take Clomid (clomiphene) and letrozole at the same time?

Is it a problem to take Clomid (clomiphene) and letrozole at the same time?

Birth defects: Clomid (clomiphene) & Femara both exert a stimulatory effect on ovarian ovulation. Both increase the risks of birth defects. ...Read more

Dr. John Chiu
2,638 Doctors shared insights

Allergies (Definition)

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