Femara Side Effects, Uses, And Dosage

Femara is the brand name of Letrozole. Femara belongs to a group of medicine known as aromatase inhibitors.

Femara Tablet is used to treat certain types of breast cancerĀ  (hormone receptor-positive breast cancer) in postmenopausal women. Letrozole is also used to prevent recurrence of cancer.

Some breast cancers are accelerated by a natural hormone called estrogen. Letrozole reduces the amount of estrogen produced by the body. This reduction in estrogen helps to slow down or reverse the growth of these breast cancers.


Femara Side Effects:

Like any other medicine, Femara can cause some side effects along with its beneficial effects. Some Femara Side effects are common and some are Rare. Some Femara Side Effects are More serious than other and need medical attention.

The most common Femara Side effects were

  • Hot flashes,
  • Flushing,
  • Asthenia,
  • Arthralgia;
  • Edema,
  • Headache,
  • Hypercholesterolemia,
  • Dizziness,
  • Sweating,
  • Musculoskeletal
  • Bone pain

Note: The occurence of the above side effects are greater than 20%.

Less common Femara Side effects include

  • High blood pressure,
  • Tachycardia,
  • Palpitation,
  • Dyspnea,
  • Cough,
  • Anxiety,
  • Memory impairment,
  • Urticaria,
  • Insomnia,
  • Taste disturbance,
  • Dry skin,
  • Abdominal pain,
  • Pruritis,
  • Urinary frequency,
  • Thrombophlebitis,
  • Viginal discharge,
  • Urinary tract infection,
  • Vigina bleeding,
  • Breast pain,
  • Cataract,
  • Pyrexia,
  • Blurred vision,
  • Leucopenia,
  • Carpal tunnel syndrome,
  • Eye irritation,
  • Tumor pain,
  • Arthritis and
  • General edema.

Rare Femara side effects

Very rare Femara side effect includes:

  • Cerebrovascular infarction,
  • Arterial thrombosis and
  • Embolism.

Long Term Femara Side Effects

  • Femara may cause decreases in bone mineral density (BMD).
  • Femara can cause fetal harm and is contraindicated for use in pregnant women.
  • Liver Cirrhosis.

Note: This is not a complete list of Femara side effects. Stop using This drug and Consult your doctors if You experience the above effects or other serious side effects.


  • The recommended standard dose of letrozole for all types of breast cancer treatment is 2.5 mg per day.
  • The duration of treatment is usually 5 years, but some doctors recommend it for a longer period.
  • If you think you have forgotten a dose of letrozole, try it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule.
  • You can take without regard to meals.


Disclaimer: The Article above is not intended to replace a medical opinion, diagnosis or treatment by a health professional. Always ask your doctor or another qualified practitioner if you have questions about a health problem.


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