What side effects may I notice from receiving Malathion?

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
-redness or irritation of the eyes
-severe skin irritation or burning

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-itching that continues beyond 7 days
-mild skin irritation
-redness of the scalp
-stinging of the scalp
-tingling sensation

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