Driving Under the Influence of Hallucinogens

Hallucinogenic drugs are one of seven categories of drugs that Drug Recognition Experts look for in a driving under the influence evaluation.

This article discusses the effects and signs of hallucinogenic drug use.

The hallucinogenic drugs include LSD, Mushrooms, Peyote, and Mescaline.

Drug Recognition Experts are officers trained to determine if a driver is impaired by drugs. The Drug Recognition Expert (DRE) looks for signs of drug use and impairment and then makes a guess about which type of drug a person may have used.

The DREs have divided commonly used drugs into seven categories, one of which is hallucinogenic drugs. Each category of drugs produces different side effects and signs of use. The DRE will ask a driver to perform a series of tests, and then performs an evaluation of the driver.

The results of the test are used by the DRE to guess which type of drug a driver used (if they don’t already know from admissions or a search).

What Behaviors of Clues Indicate Hallucinogen Use?

  • Dazed appearance
  • Disoriented
  • Disorientation
  • Difficulty in speech
  • Paranoia
  • Perspiring
  • Poor perception of time and sitance
  • Memory loss
  • Flashback
  • Uncoordinated
  • Hallucinations
  • Nausea
  • Body tremors
  • Synesthesia
  • Piloerection (LSD)

What are the Signs of Hallucinogen Use?

Horizontal Gaze Nystagmus – None

Vertical Gaze Nystagmus – None

Lack of Convergence – None

Pupil Size – Dilated

Reaction to Light – Normal. Certain psychedelic amphetamines may cause slowing.

Pulse Rate – Up

Blood Pressure – Up

Body Temperature – Up

Muscle Tone – Rigid

Signs of overdose – Long, intense trip

Time of Drug Effects

  • Varies widely between particular drugs

Driving Under the Influence of Hallucinogens

The hallucinogenic drugs are schedule I controlled substances. This means driving with any amount of a hallucinogenic drug in the system is sufficient for a DUI conviction of Operating With the Presence of a schedule I substance.

Call Us at 734.883.9584

Call Sam Bernstein at 734.883.9584 or e-mail at bernstein@arborypsilaw.com.

Sam Bernstein is a Defense Attorney in Ann Arbor and Ypsilanti.

ArborYpsi Law is located at 4158 Washtenaw Ave., Ann Arbor, MI 48108.

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