There are both short term and long term effects of Adderall abuse.   Some of the Short term effects of Adderall are: The rise in body temperature. Paranoia Euphoric feeling Rapid and pacing heartbeat. High Blood pressure. Decreased in appetite. Heightened alertness and hypervigilant. Nausea Muscle tension Long-term effects of Adderall abuse include. Malnutrition Mental disorders Short of breath Psychosis Behavioral disorders Mood swings Tiredness and fatigue Loss of body coordination Coma