What side effects may I notice from receiving Bretylium?

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
-fast, irregular heartbeat
-fever
-signs and symptoms of low blood pressure like dizziness; feeling faint or lightheaded, falls; unusually weak or tired

Side effects that usually do not require medical attention (report these to your doctor or health care professional if they continue or are bothersome):

-anxious
-nausea, vomiting
-tiredness

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