LSD is a potent hallucinogenic drug derived from ergot fungus. When ingested, it causes intense and unpredictable trips that can last up to 12 hours. Users experience a wide range of emotions and sensory distortions, not knowing what is real. Long term effects include flashbacks and psychological issues like delusions, impaired thinking, and panic attacks. While LSD is not physically addictive, it can still be psychologically addictive due to the euphoria and escape it provides users. Treatment focuses on behavior modification and counseling to address underlying issues driving abuse.