About testoster one undecanoa
Androgen; testosterone replacement therapy
Used for
- Testosterone replacement in males with confirmed testosterone deficiency.
- Not established for bodybuilding or age-related changes without confirmed deficiency.
Usual adult dose
Usually 120–160 mg daily for 2–3 weeks, then 40–120 mg daily; taken with food. Dosing is individualized.
Common side effects
- Acne or oily skin
- Fluid retention
- Mood or libido changes
- Increased red blood cell count
Important warnings
- Use only when a clinician confirms testosterone deficiency and monitors treatment.
- May reduce sperm production and fertility.
- Can worsen prostate or breast cancer; prostate monitoring may be needed.
- May raise blood pressure, red blood cell count, or worsen sleep apnea.
Pregnancy
Not for use during pregnancy; testosterone may harm fetal development.
Breastfeeding
Not for use while breastfeeding; safety is not established.
Interactions
- Blood thinners, including warfarin, may require closer monitoring.
- Insulin and diabetes medicines may need adjustment.
- Corticosteroids may increase fluid retention.
- Some enzyme-inducing medicines, such as rifampicin, may alter testosterone levels.
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 It may be incomplete or out of date.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.