Hallucinogens
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Use of hallucinogens produces different signs and symptoms depending on the drug. The most common hallucinogens are LSD and phencyclidine (PCP).
Signs of LSD use include:
- Hallucinations
- Greatly reduced perception of reality, for example, interpreting input from one of your senses as another, such as hearing colors
- Permanent mental changes in perception
- Rapid heart rate
- High blood pressure
- Tremors
- Flashbacks, a re-experience of the hallucinations — even years later
Signs of PCP use include:
- Hallucinations
- Euphoria
- Delusions
- Panic
- Loss of appetite
- Depression
- Aggressive, possibly violent behavior
