What side effects may I notice from receiving Silodosin?

Side effects that you should report to your doctor or health care professional as soon as possible:

-allergic reactions like skin rash or itching, hives, swelling of the lips, mouth, tongue, or throat
-changes in vision
-low blood pressure (dizziness; feeling faint or lightheaded, falls; unusually weak or tired)
-prolonged or painful erection
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

-change in sex drive or performance
-diarrhea
-headache
-orgasm with decreased or no semen
-runny or stuffy nose

This list may not describe all possible side effects for Silodosin. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.