Also called, Amobarbital, mephobarbital, pentobarbital, phenobarbital, secobarbital, or tuinal abuse, Barbiturate Abuse brings on the feeling of being high, drunk or sleepy. Patients may slur their words, stagger or become confused. Chronic use can cause irritability, memory loss, and difficulty dealing with people. High doses of Barbiturates, a type of prescription sedatives, can even induce a coma, make it difficult to breath and even cause death.