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NIDA Home > Drugs of Abuse/Related Topics > Acid (LSD)

LSD (Acid)

One of the strongest mood-changing drugs. It is sold as tablets, capsules, liquid, or on absorbent paper.
Street Names:
Acid, blotter, and many others.
Unpredictable psychological effects. With large enough doses, users experience delusions and visual hallucinations. Physical effects include increased body temperature, heart rate, and blood pressure; sleeplessness; and loss of appetite.
and Trends:

In 2006, 666,000 Americans age 12 and older had abused LSD at least once in the year prior to being surveyed. Source: National Survey on Drug Use and Health; The NIDA-funded 2007 Monitoring the Future Study showed that 1.1% of 8th graders, 1.9% of 10th graders, and 2.1% of 12th graders had abused LSD at least once in the year prior to being surveyed. Source: Monitoring the Future

NIDA's Featured Publications

NIDA Infofacts: Acid NIDA InfoFacts: LSD. The latest research findings for a general audience. (Fact sheet).
En Español

Research Reports:  Hallucinogens cover NIDA Research Report: Hallucinogens and Dissociative Drugs Including LSD, PCP, Ketamine, Dextromethorphan. More detailed look at the latest research findings. For a general audience. (Report).
En Español

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