Hallucinogens

 Know the risks. Hallucinogens can cause flashbacks. Effects of the drugs, including  hallucinations, can occur weeks, months and even years after use.

Know the signs.

 How can you tell if a friend is using hallucinogens? Different hallucinogens have  different effects, depending on the dose and the user. If your friend has one or more of the following  common warning signs, he or she may be using hallucinogens:

• Distorted sense of sight, hearing and touch
• Dilated pupils
• Anxiety or paranoia
• Mood swings
• Faintness
• Irrational behavior