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Cyproterone Acetate

Brand Name Manufacturers Androcur by Schering AG, Farma (Germany)
Cyproteron by NM Pharma (England)
Generic Manufacturers ?
Pharmacology Androgen receptor antagonist. Weak gonadal androgen production inhibitor. Weak progesterone.
Delivery 10mg, 50mg oral tablets
Typical dosage Pre-op 10mg/wk-100mg/day (See comment below)
Post-op not recommended
Availability Not approved by U.S. FDA
Indications Acne and/or overactive oil glands. Androgen dependent loss of scalp hair. Hirsutism. Inoperable prostate tumors.
Contraindications Lactation. Dubin-Johnson syndrome. Liver disease or tumor. Previous or existing blood clotting disorder. Rotor syndrome. Severe chronic-depression. Severe diabetes with vascular changes. Sickle-cell anaemia. Wasting diseases (with the exception of prostate tumor).
Adverse reactions
CNS
Headache. Lessened ability to concentrate. Mental depression. Tiredness.
Gastrointestinal
Nausea.
Other
Blood clotting disorders. Carbohydrate metabolism changes. Liver dysfunction or tumors. Shortness of breath.
Comments

The extreme range of dosage comes from input that some people find 10mg/wk sufficient to induce total impotence, and yet others take as much as 200mg/day with no obvious short-term adverse effects. Given this range, it would seem prudent to start on the low side and work your way up only if necessary. More than 100mg/day is generally considered excessive.

Also, do not confuse with the antibiotic named "Cipro."

Additional Info: CCO Formulary Data Sheet on Androcur (PDF file on this site)

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