Letrozole side effects

The medicine “Letrozole” (Femara, Femara) – belongs to the group of non-steroidal selective aromatase inhibitors (blockers) and is a third-generation drug. It significantly reduces the level of estrogen in the blood serum, which is necessary in some cancer pathologies and when taking anabolic steroids. Femara is an analogue of Arimidex (Anastrazole), having a similar chemical formula and exerting similar effects on the patient’s organs and tissues. Letrozole is successfully used in oncological disease – postmenopausal syndrome with estrogen receptor positive-positive or estrogen receptor unknown breast cancer. If the drug Tamoxifen does not give the desired result, then use a second-line medication – Letrozole. In some cases, this medication is prescribed immediately, as a first-line medicine.

Letrozole side effects

As it is known, taking anabolic steroids by male bodybuilders and athletes leads to the development of side effects:

  • an increase in the size of the mammary glands (gynecomastia);
  • fluid retention. leading to edema in the body;
  • weight gain due to the proliferation of adipose tissue cells.

Letrozole reduces the manifestation of these problems until completely eliminated.

Letrozole is an advanced modern medicine. It has the strongest reducing effect on the level of estrogen in the blood. Its effect is more powerful than that of non-selective aromatase inhibitors such as Teslac and Cytadren. The standard dose of the active substance of one tablet is 2.5 mg. This amount reduces the hormone estrogen by 78%, which is confirmed by clinical trials reported by the manufacturer. Lower doses of the drug also have a powerful anti-estrogenic effect on the patient’s body. Already 0.1 mg of the substance is able to reduce the concentration of data on female sex hormones by 75% compared with the original figures. Nevertheless, the manufacturer recommends the use of the dose contained in one whole tablet of the drug. Positive data have been accumulated from patients taking the drug in low dosages (single dose of less than 2.5 mg) and receiving the desired effect from the treatment.

From the history of the drug Femara:

The drug Letrozole has become available to consumers since 1997. This year, the American FDA allowed the substance to be sold by prescription. It is produced and marketed by the pharmaceutical company Novartis under the trademark Femara. Letrozole is approved for sale and use in more than 70 countries around the world: in Argentina, Australia, Belgium, Brazil, Canada, Chile, the Czech Republic, France, Germany, Greece, Hong Kong, India, the Netherlands, New Zealand, Italy, South Africa, Switzerland and Russia. More recently, Novartis actively sells letrozole under the brand name Femar to Finland, Denmark, Norway and Sweden. Letrozole is manufactured by other pharmaceutical companies under the following trademarks: Fempro (India), Oncolet (India), Trozet (India), Insegar (Spain), Aromek (Poland), LAMETTA (Poland), Cendonalon (Argentina), Fecinolo (Argentina), and Kebirzol (Argentina). Despite the high competition Femara remains the most reliable and popular drug in the active ingredient letrozole.

Drug release form:

The drug Letrozole is available in dosage form – a tablet with a mass equal to a single dose of 2.5 mg.

Side Effects of Letrozole

  • pronounced pain in the joints;
  • growing weakness;
  • feeling tired;
  • mood swings;
  • unmotivated depressive states;
  • pressure increase;
  • headaches;
  • swelling of limbs;
  • digestive disorders with nausea and vomiting.

Letrozole can lead to a decrease in the density of mineralization in the bone tissue, which can provoke osteoporosis and fractures. The manufacturer warns about the detrimental effect of the drug on the intrauterine development of the fetus and prohibits it from being taken by pregnant women. When taken by male bodybuilders to reduce the negative effects of steroids, the following side effects may occur:

  • increased risk of pathology on the part of the cardiovascular system;
  • negative impact on the level of good cholesterol in the blood serum.

Application of letrozole

Letrozole is prescribed for use:

Letrozole side effects

  • in modern treatment regimens for women after they reach menopause, diagnosed with breast cancer in the early stages;
  • in the treatment regimens of women after they reach menopause, having a diagnosis of breast cancer in the early stages of taking Tamoxifen for 5 years;
  • treatment of local or breast cancer with metastases, as a first-line drug;
  • treatment of advanced breast cancer in patients receiving anti-estrogen drugs.

Letrozole side effects

Tablets consumed regardless of the food intake. Doctors usually recommend taking one pill per day. To reduce side effects after taking anabolic steroids per day, it is recommended to drink one whole or half of the pill.

Availability and cost of the drug in the cities of Russia and Ukraine:

Letrozole is actively marketed under the brand name Femara, promoted by the largest pharmaceutical company Novartis. In Russia, the drug can be purchased at an average cost of 5 to 6 thousand rubles, in Ukraine, 2 thousand hryvnia.

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