What are hallucinogens?

Hence the name, hallucinogens are drugs that cause hallucinations.  There are many different types of hallucinations including LSD, PCP, ketamine and mushrooms.  Hallucinogens disrupt the interaction of the nerve cells and the neurotransmitter serotonin, and therefore, hallucinations occur.

How are hallucinogens used?

Hallucinogens are usually taken orally.

What are the short term effects of hallucinogen use?

LSD, which is the most potent and mind altering drug known, causes increased blood pressure and heart rate, dizziness, loss of appetite, dry mouth, sweating, nausea, numbness, and tremors.  However, the main effects of LSD are emotional.  People who are on the drug may shift rapidly from fear to euphoria and have dramatic increases in sensory stimuli.

What are the long term effects of hallucinogen use?

People who have taken LSD in the past may still experience extreme shifts in mood and may actually experience a long-lasting psychotic like state.  These effects may last for years and can affect people who have had no history or other symptoms of psychological disorder.