PCP users may sometimes become violent or suicidal, and are very dangerous to themselves and to others.
Barbiturate withdrawal symptoms can include anxiety, irritability, elevated heart and respiration rate, muscle pain, nausea, tremors, hallucinations, confusion, and seizures.
One treatment approach that is used for managing opiate withdrawal is to treat the symptoms of the withdrawal with appropriate medication. Clondine, an antihypertensive drug, is sometimes used to reduce muscle pain and cramping.
Magic mushrooms are ingested orally (swallowed or chewed) or brewed as a tea or added to other foods to mask their bitter flavor.