Health Effects

• Chronic users of PCP report persistent memory problems and speech difficulties.
• Some of these effects may last six months to a year following prolonged daily use.
• Mood disorders, such as depression, anxiety and violent behavior, also occur.
• In later stages of chronic use, users often exhibit paranoid and violent behavior and experience hallucinations.
• Large doses may produce convulsions and coma, as well as heart and lung failure.

Lysergic acid (LSD), mescaline and psilocybin also are hallucinogens that cause illusions and hallucinations. The physical effects may include dilated pupils, elevated body temperature, increased heart rate and blood pressure, loss of appetite, sleeplessness and tremors. Sensations and feelings may change rapidly. It is common to have a bad psychological reaction to LSD, mescaline and psilocybin. The user may experience panic, confusion, suspicion, anxiety and loss of control. Delayed effects or flashbacks can occur even after use has ceased.