Halotest by Geneza Pharmaceuticals is an oral preparation containing 50mg of the substance Fluoxymesterone. Each Halotest tablet contains 10mg of Fluoxymesterone. Halotest by Geneza Pharmaceuticals is available in a sachet of 20 tablets. GP Halotest is taken in cases of insufficient testosterone production in the males. The drug is a type of androgen substance. Men who have not undergone through puberty by the age they should have are often prescribed to take this drug to help stimulate puberty. Women with breast cancer who have reached menopause 1 to 5 years ago are also given the drug to fight cancer. It helps ensure proper development of male sex organs and keeps secondary sex characteristic at their normal stage of development.