Drugs that cause pupil changes

You can identify what drugs people are using based on their pupil sizes. Drugs like coke, meth, Adderall, bath salts, ketamine, ecstasy, LSD, and psilocybin cause pupil dilation. On the other hand, opioids and opiates like heroin, fentanyl, and prescription painkillers lead to pinpoint pupils. Keep reading for more information. Here's how you can tell what drugs people are on based on their pupil sizes. Have you ever seen someone with big pupils like this? Well, coke, meth, Adderall, bath salts, ketamine, ecstasy, LSD, and psilocybin all commonly cause pupil dilation. Have you ever seen someone with pinpoint pupils like this? Well, this is more common with people who use opioids and opiates like heroin, fentanyl, and prescription painkillers. Follow along for more tips.