Before using fluoxymesterone, tell your doctor or pharmacist if you are allergic to it; or to testosterone; or if you have any other allergies.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: serious heart disease (e.g., angina, history of heart attack, heart failure), serious liver disease (e.g., chronic hepatitis B or C, cirrhosis), severe kidney disease, breast cancer in men, prostate cancer.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: enlarged prostate, high red blood cell count, high cholesterol, diabetes, high blood pressure.

If you are a male you should tell your doctor if you have too many erections. In the unlikely event you have a painful or prolonged erection (lasting more than 4 hours), stop using this drug and seek immediate medical attention, or permanent problems could occur.

If you have diabetes, this product may decrease your blood sugar levels. Check your blood sugar levels regularly as directed by your doctor. Tell your doctor immediately if you have symptoms of low blood sugar, such as increased hunger, dizziness, or unusual sweating. Your anti-diabetic medication or diet may need to be adjusted.

Tell your doctor if you become bed-ridden (unable to walk) for a prolonged time while using this medication. Your doctor may wish to monitor your blood calcium for high levels to prevent bone/kidney problems.

Caution is advised when using this drug in male children because bone growth may be affected, causing shorter adult height. Your child's doctor will monitor his growth and bone development during treatment.

Patients with benign prostatic hypertrophy may develop acute urethral obstruction. Priapism or excessive sexual stimulation may develop. Oligospermia may occur after prolonged administration or excessive dosage. If any of these effects appear, the androgen should be stopped and if restarted, a lower dosage should be utilized.

This medication must not be used during pregnancy. It may harm an unborn baby. Discuss the use of reliable forms of birth control with your doctor. If you are pregnant or think you may be pregnant, tell your doctor immediately.

It is not known whether this drug passes into breast milk. Because of the possibility of severe side effects in your nursing infant, it is recommended to avoid breast-feeding while using this medication. Consult your doctor for more information.

DRUG INTERACTIONS

Androgens may increase sensitivity to oral anticoagulants. Dosage of the anticoagulant may require reduction in order to maintain satisfactory therapeutic hypoprothrombinemia.

Concurrent administration of oxyphenbutazone and androgens may result in elevated serum levels of oxyphenbutazone.

In diabetic patients, the metabolic effects of androgens may decrease blood glucose and, therefore, insulin requirements.