Alka-Seltzer plus cold and cough formula liquid gels helps relieve cough, nasal congestion, runny nose, headache, body ache and sinus pressure. Acetaminophen 325 mg - pain reliever/fever reducer. Chlorpheniramine maleate 2 mg - antihistamine. Dextromethorphan hydro bromide 10 mg - cough suppressant.