Drug charges are taken seriously in Maryland, and you could face penalties such as heavy fines or time in jail or prison if you're caught with them. Even simple possession charges can turn into more if the prosecution tries to expand the case against you. You might be accused of trying to sell drugs or of transporting them, even if that was not the case.
A significant portion of America's drug problem has nothing to do with illegal or "street" drugs. Many people who suffer crippling and even fatal addictions were prescribed their drugs -- at least initially.
American states vary widely concerning their drug-linked laws.