In late 2012, 60 people died in two cities in Pakistan after drinking cough syrup to get high. Syrups from two separate manufacturers were involved. It was found that both were using an active ingredient — dextromethorphan, a synthetic morphine-like compound — imported from the same manufacturer in India. Indian drug authorities put a halt to production while they investigated. Tests in Pakistan revealed that the medicines seemed to contain the correct amount of active ingredient. But further tests revealed something that was not supposed to be there……..