Although they say that LSD is non-toxic and has no known adverse physical after-effects, the LSD users may experience flashbacks to previous trips and these flashbacks may continue for up to 12 months after use. Some other side effects are severe depression and schizophrenia. Due to the fact that it is a powerful mental amplifier, [...]

One certain thing is that LSD produces hallucinations, some pleasant, some not, and you cannot anticipate the effect before using the drug. A “high” can last up to few  hours and the drug also makes the pupils dilate, increases blood pressure and heart rate and causes dryness in the mouth. Other common effects of LSD [...]