Day and Night. Contains 10 non-drowsy cold Citrus effervescent tablets and 10 Lemon Night-Time effervescent Tablets. Day, Non-Drowsy Effervescent Tablet:Acetaminophen/Pain reliever-fever reducer. Dextromethorphan hydrobromide/Cough Suppressant, Phenylephrine HCl/Nasal Decongestant. Non-drowsy nasal congestion coughing headache sore throat...