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What side effects may I notice from receiving Dextromethorphan, Guaifenesin?
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
-excitement, nervousness, restlessness, or irritability
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
This list may not describe all possible side effects for Dextromethorphan, Guaifenesin. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.Source: FDA