A new drug is causing alarm on the US streets, literally rotting people's skin. Drug overdoses have always been a problem on American streets. Federal reports suggest that one person dies of a drug overdose every five minutes in America. The substance known as Xylazine, otherwise known as Tranq, is creating fear in major cities across the country with its devastating effects. The drug's use is increasing exponentially where it lands, causing outbreaks of skin infections and overdoses. The national spread of xylazine is a public health threat. Watch Video.