The effects of methamphetamines include a wave of physical and psychological exhilaration that can last up to 30 hours. The effects are dependent on several factors such as the dose, how the drug is taken, and whether the user has developed a tolerance to the drug. Hallucinogens are a chemically diverse group of drugs that alter mood, thought, perception and brain function. The most common of these drugs is LSD, but there are others such as mescaline, which is grown on the peyote plant, but can also be made in a laboratory. The effects of LSD can be felt within 30 to 90 minutes of ingestion and last 6 to 12 hours.
Hallucinogens impair the users' visual perceptions as well as perception of time and space.
A person on a bad trip may experience feelings of helplessness which can be very frightening. An overdose of LSD is very unlikely but there have been many deaths attributed to LSD accidents or suicides. If you or anyone you know has a problem with drug abuse or dependency there are many places to find help. Appropriate treatment has been shown to be effective both for the user and for the user's family and friends. The resource room at the Counseling and Psychological Services Center has additional information about drugs and drug abuse.