Stimulant use disorder is when a person abuses stimulants, which leads to clinically significant impairment or distress. This impairment can lead from mild to severe. Stimulants are wide-ranging and include meth, cocaine, and amphetamines. To be diagnosed with stimulant use disorder, the person must have a pattern of problematic use of stimulants (excluding caffeine or nicotine) and have had at least two other symptoms within the past 12 months. Other symptoms include: Inability to reduce Continue Reading ...