Heroin helps from cough: > ... Bayer marketed diacetylmorphine as an over-the-counter drug under the trademark name Heroin.[79] It was developed chiefly as a m

Heroin helps from cough: > ... Bayer marketed diacetylmorphine as an over-the-counter drug under the trademark name Heroin.[79] It was developed chiefly as a morphine substitute for cough suppressants that did not have morphine's addictive side-effects. https://en.m.wikipedia.org/wiki/Heroin https://en.m.wikipedia.org/wiki/Heroin