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Rapaflo Capsules

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The prostate is a small organ about the size of a walnut. It lies below the bladder (where urine is stored) and surrounds the urethra (the tube that carries urine from the bladder). The prostate makes a fluid that helps to nourish sperm as part of the semen (ejaculatory fluid).

Prostate problems are common in men 50 and older. Most can be treated successfully without harming sexual function. A urologist is a specialist in diseases of the urinary system, including diagnosing and treating problems of the prostate gland.

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Rapaflo Capsules

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Rapaflo Capsules Patient Information Including Side Effects

Brand Names: Rapaflo

Generic Name: silodosin (Pronunciation: SIL oh DOE sin)

What is silodosin (Rapaflo Capsules)?

Silodosin is in a group of drugs called alpha-adrenergic (AL-fa ad-ren-ER-jik) blockers. Silodosin helps relax the muscles in the prostate and bladder neck, making it easier to urinate.

Silodosin is used to improve urination in men with benign prostatic hyperplasia (enlarged prostate).

Silodosin may also be used for other purposes not listed in this medication guide.

What are the possible side effects of silodosin (Rapaflo Capsules)?

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 silodosin and call your doctor at once if you have a serious side effect such as:

  • severe dizziness;
  • feeling like you might pass out;
  • jaundice (yellowing of the skin or eyes); or
  • penis erection that is painful or lasts 4 hours or longer.

Less serious side effects may include:

  • mild dizziness, weakness;
  • headache;
  • sleep problems (insomnia);
  • diarrhea, stomach pain;
  • decreased amount of semen released during sex; or
  • runny or stuffy nose, sore throat.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about silodosin (Rapaflo Capsules)?

You should not use silodosin if you have severe kidney or liver disease, or if you are also using ketoconazole (Nizoral), itraconazole (Sporanox), or ritonavir (Norvir).

Before taking silodosin, tell your doctor if you have kidney or liver disease, or prostate cancer.

Also tell your doctor about all other medications you use, especially other prostate medications, antibiotics, HIV/AIDS medications, or heart or blood pressure medications.

Silodosin should be taken with food to reduce the chance of side effects.

Silodosin can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.

Avoid getting up too fast from a sitting or lying position, or you may feel dizzy. Get up slowly and steady yourself to prevent a fall.

Silodosin can affect the pupils of your eyes during cataract surgery. If you have cataract surgery while you are taking silodosin, or even long after you stop taking it, tell the surgeon ahead of time that you have taken this medication. Do not stop using silodosin before surgery unless your surgeon tells you to.

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Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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