ATC Group: G03B Androgens

The World Health Organization's ATC classification organizes medical drugs based on therapeutic properties, chemical composition, and anatomy. It helps make essential medicines readily available globally and is widely used in the pharmaceutical industry.

Position of G03B in the ATC hierarchy

Level Code Title
1 G Genito urinary system and sex hormones
2 G03 Sex hormones and modulators of the genital system
3 G03B Androgens

Group G03B contents

Code Title
G03BA 3-oxoandrosten (4) derivatives
G03BB 5-androstanon (3) derivatives

Active ingredients in G03B

Active Ingredient Description
Androstanolone
Fluoxymesterone

Fluoxymesterone is a synthetic androgen. Endogenous androgens are responsible for the normal growth and development of the male sex organs and for maintenance of secondary sex characteristics. Fluoxymesterone is used for replacement therapy in conditions associated with a deficiency or absence of endogenous testosterone.

Mesterolone
Testosterone

Testosterone, secreted by the testes and its major metabolite dihydrotestosterone (DHT), is responsible for the development of the external and internal genital organs and for maintaining the secondary sexual characteristics (stimulating hair growth, deepening of the voice, development of the libido); for a general effect on protein anabolism; for development of skeletal muscle and body fat distribution; for a reduction in urinary nitrogen, sodium, potassium, chloride, phosphate and water excretion.

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