What side effects may I notice from receiving Mucinex Fast-Max Cold & Flu?

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
-chest pain, tightness
-dizziness, nervousness, or sleeplessness
-fast, irregular heartbeat
-trouble passing urine or change in the amount of urine
-unusual bleeding or bruising
-unusually weak or tired
-yellowing of skin or eyes

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-drowsiness
-dry eyes, mouth
-loss of appetite
-stomach upset

This list may not describe all possible side effects for Mucinex Fast-Max Cold & Flu. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.