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Merck Manual
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Drugs With Medical and Recreational Uses

Drugs With Medical and Recreational Uses

Drug

Medical Use

Amphetamines

To treat attention-deficit/hyperactivity disorder

Antianxiety and sedative drugs

To treat anxiety and insomnia

Cocaine

To numb surfaces of the body (as a topical anesthetic)

Ketamine

To provide anesthesia

Marijuana

To treat nausea due to advanced cancer, and certain types of childhood seizures

Opioids

To relieve pain and provide anesthesia

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