What side effects may I notice from receiving Procardia XL?

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

-allergic reactions (skin rash, itching or hives; swelling of the face, lips, or tongue)
-heart attack (trouble breathing; pain or tightness in the chest, neck, back or arms; unusually weak or tired)
-heart failure (trouble breathing; fast, irregular heartbeat; sudden weight gain; swelling of the ankles, feet, hands; unusually weak or tired)
-low blood pressure (dizziness; feeling faint or lightheaded, falls; unusually weak or tired)
Side effects that usually do not require medical attention (report to your doctor or health care provider if they continue or are bothersome):

-bloating
-changes in emotions or moods
-constipation
-facial flushing
-headache
-nasal congestion (like runny or stuffy nose)
-nausea
-stomach pain

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