What side effects may I notice from receiving Ranexa?

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
-fast, irregular or pounding heartbeat
-feeling faint or lightheaded, falls
-low or high blood pressure
-numbness or tingling feelings
-ringing in the ears
-tremor or shakiness
-slow heartbeat (fewer than 50 beats per minute)
-swelling of the legs or feet

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-constipation
-drowsy
-dry mouth
-headache
-nausea or vomiting
-stomach upset

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