What side effects may I notice from receiving Cardura XL?

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

-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
-breathing problems
-changes in vision
-chest pain
-fast or irregular heartbeat
-feeling faint or lightheaded, falls
-males: prolonged or painful erection
-numbness in hands or feet
-swelling of the legs or ankles
-unusually weak or tired
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

-headache
-nausea

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