: An antihistamine-opioid combination often used for severe nighttime coughing. It is a controlled substance due to the risk of habit formation.
The strongest cough syrups generally fall into two categories: for severe cases and maximum-strength over-the-counter (OTC) formulas for immediate access. While "strongest" is often associated with prescription opioids like codeine or hydrocodone, many OTC "DM" (dextromethorphan) syrups are formulated at maximum legal concentrations to target specific symptoms like persistent dry hacking or deep chest congestion. Strongest Prescription Options strongest cough syrup you can buy
: A combination that suppresses the cough reflex while thinning mucus to make it easier to expel. : An antihistamine-opioid combination often used for severe