Tamsulosin Side Effects and Warnings

What are the precautions when taking this medicine?

• Check medicines with healthcare provider. This medicine may not mix well with other medicines.

• Avoid alcohol (includes wine, beer, and liquor).

• If you have low blood pressure, talk with healthcare provider.

• Avoid grapefruit and grapefruit juice.

• If you are having cataract surgery, talk with healthcare provider.

• Be careful in hot weather. Drink plenty of fluids to prevent dehydration.

• Do not take St John's wort with this medicine. It may make this medicine less effective.

What are some possible side effects of this medicine?

• Feeling dizzy. Rise slowly over several minutes from sitting or lying position. Be careful climbing.

• Headache.

• Nasal congestion.

• Change in sexual ability or desire. This is usually reversible.

Reasons to call healthcare provider immediately

• If you suspect an overdose, call your local poison control center or emergency department immediately.

• Signs of a life-threatening reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.

• Severe dizziness or passing out.

• Severe headache.

• Penile erection that lasts longer than 4 hours.

• Any rash.

• No improvement in condition or feeling worse.