What side effects may I notice from receiving Atovaquone?

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
-fever or infection
-unusual bleeding or bruising
-unusually weak or tired
-sore throat, white patches in the mouth

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-cough
-diarrhea
-headache
-nausea, vomiting
-runny nose
-stomach pain
-trouble sleeping
-unusual sweating

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