Caffeine. Most people who are allergic to coffee are allergic to the caffeine in it. Caffeine is a naturally occurring drug classified as a stimulant. Itâs found in many different things including tea and coffee and is a natural byproduct of various plants.
LSD long term use and effects can be very serious. Long term effects of LSD use can occur in anyone who uses LSD, though heavy users, or those who use the drug over a longer period of time, are more likely to experience long term effects.LSD long term use and effects include:1  Tolerance, which causes a person to take more of the drug, which can lead to life-threatening overdoses. 2  Acid flashbacks, or hallucinogen persisting perception disorder, an uncontrolled event where the person experiences the effects of LSD use again without taking the drug.SD long term use and effects can be very serious. Long term effects of LSD use can occur in anyone who uses LSD, though heavy users, or those who use the drug over a longer period of time, are more likely to experience long term effects. LSD long term use and effects include:
LSD long term use and effects of such use vary depending on the person and the situation. Some users enjoy the experience, but others have bad trips, which cause fear and paranoia. A person who has previously enjoyed LSD may have a bad trip if they use it again or in a different situation.SD long term use and effects can be very serious. Long term effects of LSD use can occur in anyone who uses LSD, though heavy users, or those who use the drug over a longer period of time, are more likely to experience long term effects. LSD long term use and effects include: