What drugs cause dilated pupils? Stimulantsand psychotropic substances most commonly cause pupil dilation. However, this symptom can result from ingesting alcohol, mescaline, cocaine, ecstasy, LSD, psilocybin, MDMA, amphetamines, cannabis, inhalants, narcotics, hallucinogens, bath salts, ketamine, and S...
LSD use can lead to numerous side effects, including dilated pupils, tremors, dizziness, blurred vision and hallucinations. A study published in the journal CNS Neuroscience & Therapeutics found that LSD enters the pituitary and pineal glands in the brain. High concentrations of the drug can be ...