Medical Editor: John P. Cunha, DO, FACOEP
What Is Halotestin?
Halotestin (fluoxymesterone) is a male hormone (androgen) used in men as replacement therapy in conditions associated with symptoms of deficiency or absence of endogenous testosterone, and in delayed puberty. Halotestin may also be used in some women for palliation of androgen-responsive recurrent breast cancer. The brand name Halotestin is discontinued, but generic versions may be available.
What Are Side Effects of Halotestin?
Common side effects of Halotestin (fluoxymesterone) include:
- skin color changes
- increased/decreased sexual interest
- oily skin
- hair loss, and
Tell your doctor if you experience these unlikely but serious side effects: anxiety, depression, increased anger. Men should tell their doctor if they experience side effects including difficulty urinating, frequent or prolonged erections, or breast swelling/tenderness. Women should tell their doctor if they experience side effects including deepening voice, unusual hair growth, or irregular menstrual periods.
Dosage for Halotestin
The dosage of Halotestin varies depending upon the individual, the condition being treated, and its severity. The total daily oral dose may be administered singly or in divided (three or four) doses.
What Drugs, Substances, or Supplements Interact with Halotestin?
Halotestin may interact with blood thinners, or corticosteroids. Tell your doctor all medications and supplements you use.
Halotestin During Pregnancy and Breastfeeding
Halotestin must not be used during pregnancy. It may harm a fetus. Discuss birth control with your doctor. It is recommended that women using this medication use 2 forms of birth control (such as condoms and birth control pills) while taking this medication. It is unknown if this drug passes into breast milk. It may affect milk production and it may harm a nursing infant. Breastfeeding while using this drug is not recommended.
Our Halotestin (fluoxymesterone) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Endocrine and urogenital
Female: the most common side effects of androgen therapy are amenorrhea and other menstrual irregularities; inhibition of gonadotropin secretion; and virilization, including deepening of the voice and clitoral enlargement. The latter usually is not reversible after androgens are discontinued. When administered to a pregnant woman, androgens can cause virilization of external genitalia of the female fetus.
Skin and appendages
Fluid and electrolyte disturbances
Suppression of clotting factors II, V, VII, and X, bleeding in patients on concomitant anticoagulant therapy, and polycythemia.
Hypersensitivity, including skin manifestations and anaphylactoid reactions.
Drug Abuse And Dependence
Controlled Substance Class: Fluoxymesterone is a controlled substance under the Anabolic Steroids Control Act, and HALOTESTIN (fluoxymesterone) Tablets has been assigned to Schedule III.
Read the entire FDA prescribing information for Halotestin (Fluoxymesterone)
© Halotestin Patient Information is supplied by Cerner Multum, Inc. and Halotestin Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.
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