About tamsulosin hydrochloride
Alpha-1 adrenergic blocker
Used for
- Relieves urinary symptoms caused by an enlarged prostate (benign prostatic hyperplasia).
Usual adult dose
Usually 0.4 mg by mouth once daily, about 30 minutes after the same meal each day.
Common side effects
- Dizziness or light-headedness
- Ejaculation changes
- Headache
- Runny nose
Important warnings
- May cause a sudden drop in blood pressure, especially when standing.
- Tell eye surgeons about use before cataract or glaucoma surgery.
- Not for treating high blood pressure or prostate cancer.
Pregnancy
Not indicated for use in pregnancy.
Breastfeeding
Not indicated for use during breastfeeding.
Interactions
- Other alpha blockers or blood-pressure medicines may increase dizziness or low blood pressure.
- Strong CYP3A4 inhibitors, such as ketoconazole, can increase tamsulosin levels.
- Warfarin may interact; monitoring may be needed.
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 It may be incomplete or out of date.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.