Common medications for common cold

Diphenhydramine (benadryl) - antihistamine

Chlorpheniramine - antihistamine

Guaifenesin - expectorant. Works by thinning the mucus in the air passages to make it easier to cough up the mucus and clear the airways.

Dextromethorphan - antitussive. Works by decreasing activity in the part of the brain that causes coughing.

Pseudoephedrine - nasal decongestant. Works by causing narrowing of the blood vessels in the nasal passages.