In the following chart, be aware that the major effects, symptoms of overdose, possible effects of withdrawal, and acute and chronic effects are only potential characteristics of the noted drugs; moreover, the characteristics may not in fact apply to all drugs within the corresponding drug category.

• LSD (“acid,” “fry”)
• psilocybin (“magic mushrooms,” “shrooms”)
• morning glory seeds (“heavenly blue”)
• mescaline (“mesc,” “big chief,” “peyote”)
• STP (“serenity,” “tranquility,” “peace”)
• MDA (“ecstasy”)
• PCP (“angel dust,” “hog”)

• altered state of consciousness
• increased suggestibility
• delusions
• depersonalization
• dissociation
• increase in pulse
• increase in blood

PCP
• acute intoxication and psychosis, including agitation, confusion, excitement, blank state, violent behavior
• coma
• analgesia

Other hallucinogens
• paranoid ideation
• depression
• undesirable hallucinations

• drug craving

LSD
• flashbacks
• increase in heart rate
• increase in blood pressure
• higher body temperature
• dizziness
• dilated pupils
• sensory distortions
• dreaminess
• depersonalization
• altered mood
• impaired concentration
• acute anxiety
• paranoia
• fear of loss of control
• delusions