About testosterone cypionate usp
Androgen; testosterone replacement therapy
Used for
- Testosterone replacement for confirmed deficiency in males
- Delayed puberty in selected adolescent males, under specialist supervision
Usual adult dose
Usually 50–400 mg injected into a muscle every 2–4 weeks; dose depends on blood levels and response.
Usual dose in children
For delayed puberty, specialist-directed dosing varies with age and development; not for routine use in children.
Common side effects
- Acne or oily skin
- Injection-site pain
- Mood or sexual-function changes
- Increased red blood cell count
Important warnings
- Use only when testosterone deficiency is confirmed; not for age-related decline alone.
- May impair fertility and reduce sperm production.
- Can worsen prostate enlargement; prostate monitoring may be needed.
- May increase blood pressure, fluid retention, or red blood cell count.
Pregnancy
Not for use during pregnancy; testosterone can harm fetal development.
Breastfeeding
Not intended for use during breastfeeding; effects on the nursing infant are uncertain.
Interactions
- Blood thinners, such as warfarin, may need closer monitoring.
- Insulin and diabetes medicines may require dose adjustment.
- Corticosteroids may increase fluid retention.
- Some medicines can alter testosterone levels; review all medicines with a clinician.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.