Hallucinations Induced by Psychoactive Drugs: Mechanisms, Consequences, and Therapeutic Interventions
Acta Scientific Neurology – February 01, 2026
Source: OpenAlex
Summary
Hallucinogens like psilocybin and LSD affect millions globally, leading to serious health and societal issues. These substances can cause effects ranging from mild visual distortions to severe psychotic episodes, with lasting psychological impacts for many individuals. Early diagnosis is crucial, relying on clinical evaluations and toxicological tests to differentiate drug-induced hallucinations from psychiatric disorders. Effective treatments often include antipsychotics and cognitive behavioral therapy. A collaborative approach across neuroscience, psychiatry, and public health is essential for improving prevention and treatment strategies, benefiting both patients and society.
Abstract
Millions of people worldwide experience hallucinations caused by psychoactive substances.These hallucinations are a serious problem for both health care and society.The main culprits are hallucinogens like psilocybin, phencyclidine (PCP), methamphetamine, and lysergic acid diethylamide (LSD).These substances lead to perceptual changes characterized by sensory experiences that happen without any external triggers.This study focuses on how these drugs interact with serotonin and dopamine systems and how they affect different areas of the brain.The immediate effects of drug-induced hallucinations can vary widely.They can cause slight visual distortions or lead to severe psychotic episodes.These effects can result in lasting psychological issues, including permanent changes in perception and a greater risk of mental health disorders.The impact goes beyond individual health, affecting social and economic aspects as well.Early diagnosis is essential.It relies on thorough clinical evaluations and toxicological tests to tell apart drug-induced hallucinations from primary psychiatric disorders.Treatment usually includes medications like antipsychotics and psychological support, such as cognitive behavioral therapy and counseling, to help manage symptoms and reduce the chance of relapse.Detox programs and rehab centers are also important for recovery.Recent research into new treatment methods and harm reduction strategies shows potential in reducing the negative effects of these substances.This review highlights the need for a combined approach that involves neuroscience, psychiatry, and public health.Such collaboration can enhance our understanding, prevention, and treatment of drug-induced hallucinations, ultimately benefiting patients and society as a whole.