Chlorpheniramine blocks histamine receptors and readily enters the brain, which is why it dries secretions well but also causes drowsiness. It is a standard ingredient of cold combinations.
Dextromethorphan acts on the cough centre in the brainstem, raising the threshold at which the cough reflex fires. It suppresses a cough rather than treating its cause.
Most side effects are mild and settle as your body adjusts. Tell your doctor if any of them persist or trouble you.
102 brands with the same salt and strength — same form first, then cheapest. Pack size and form can still differ, and the same salt does not suit every patient. Please confirm with our pharmacist before switching.
Showing the 40 cheapest of 102 brands.