Cough suppressants (antitussives) work by blocking the cough reflex in your brain so that you cough less. While searching for the best cough medicine, you will find several over-the-counter (OTC) ...
Promethazine hydrochloride is widely used for the treatment and prevention of mild to moderate nausea and vomiting. In these circumstances, the oral route is often not feasible. When i.v. or i.m ...