Drug Description

Femara is a drug used for the reduction of estrogen level. This allows women to slow down the growth of some types of tumors. This drug is used mostly for the treatment of breast cancer.
Femara is known under the trade name of Letrozole is a prescription medicine. The drug is most efficient when used strictly according to the doctor’s prescription.

How it acts?

Femara acts by suppressing the release of estrogen. As a rule, breast cancer is aggravated by the estrogen activity. This drug allows you to slow down the growth of cancer cells in the breast by reducing the level of estrogen.


The main goal of Femara is to decrease the level of estrogen in postmenopausal women (which, in turn, minimizes the risk of breast cancer. Moreover, this drug may be used for the treatment of female infertility.


The average dose is 2.5mg a day for 5 years. However, it depends on many factors, including the patient’s age, demographics, process of healing, etc. Overdose can be fatal. In this case, you should seek immediate medical assistance.
The dosage and duration of treatment must be prescribed by your doctor. Before taking Femara, bone mineral density must be done and be repeated in a while. This drug excretes with vomit and urine. Therefore, avoid contamination of bodily liquids with others. If you note any allergic response or adverse effects, stop the treatment and consult your doctor immediately.

Adverse effects

The use of Femara may cause some adverse effects. Stop taking the drug and seek medical assistance if you note any allergic responses. If any of them persist, you should contact your doctor immediately. Ask your physician about the instructions regarding the safe use of this drug. Common adverse effects caused by the use of this drug are:

  • Sudden weight gain
  • Edema
  • Head pain
  • Perspiration
  • Hot flushes
  • Pain in the muscles and bones
  • Vertigo
  • Fatigue
  • Debility
  • Sleepiness


You must inform your doctor about any bone diseases, high cholesterol, liver dysfunction,etc. Pregnant and breastfeeding women must not use this drug without doctor’s approval.
Don’t take Femara if you’re allergic to any of its components. Women before menopause must not use this medicine.
During the treatment, you should refuse from engaging in any activity requiring high concentration (driving or operating any dangerous equipment) as well as any serious mental activity.
Don’t change the dosage without the doctor’s recommendations. You can end the treatment without the doctor’s approval only after checking your health condition.
It is important to inform your doctor about any other drugs you’re taking (including prescription and non-prescription drugs, vitamins and herbal supplements), as it may cause drug interaction.
Correct drug storage is important to ensure safety, as Femara can be easily absorbed through the skin and lungs. Pregnant women must avoid this drug at any cost.