• Flomax is in a group of drugs called alpha-adrenergic blockers. Flomax is used to treat the symptoms of an enlarged prostate. It relaxes the muscles in the prostate and bladder neck, making it easier to urinate.

How should you take this medication?

• Take each dose with a full glass of water.
  
  
• Swallow this medication whole. Do not crush, chew, or open the capsules. The dosage is based on your medical condition.
  
  
• Flomax is usually taken once a day, approximately 30 minutes after a meal. Try to take this medication at the same time each day.
  
  
• If you miss a dose of Flomax , take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.

General Precautions with Flomax

• Before taking flomax, tell your doctor if you are allergic to sulfa drugs.
  
  
• Before using this medication, tell your doctor or pharmacist your medical history, especially of: prostate cancer, blood pressure problems.
  
  
• Flomax can cause dizziness, especially when you first stand up. Be careful about driving, operating machinery, and performing any other hazardous task until you know how you react to the drug.

• Avoid the use of alcohol, which may increase dizziness caused by flomax.

What are the possible side effects of Flomax?

• Stop using Flomax and get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
  
  
• Stop using Flomax and call your doctor at once if you have any of these serious side effects: penis erection that is painful or lasts 4 hours or longer, severe dizziness or  fainting