Which symptom could be a sign of PCP use?

Bizarre behavior is indicative of PCP (phencyclidine) use due to the drug's profound effects on perception, mood, and motor control. PCP is known as a dissociative anesthetic, and its use can lead to significant alterations in a person's behavior and thought processes. Individuals under the influence of PCP may exhibit disorientation, agitation, hallucinations, and unpredictable or erratic behavior. These symptoms stem from the substance's interaction with neurotransmitter systems in the brain, particularly its ability to disrupt normal cognitive and emotional functioning.

In contrast, decreased blood pressure, heightened empathy, and clear thinking tend not to be associated with PCP use. Decreased blood pressure can be linked to a variety of other health conditions or substances, but it is not a hallmark sign of PCP intoxication. Heightened empathy might be observed in some substances like MDMA (ecstasy) but is not characteristic of PCP. Clear thinking is generally the opposite of what one would experience while under the influence of PCP, which tends to impair cognitive clarity and judgment.

Understanding these symptoms and their implications can significantly aid in recognizing substance use and providing appropriate interventions.