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Caution :   Reactions and experiences may vary dramatically from person to person. [see below]
LSD Duration
Total Duration
6 - 11 hrs
20 - 60 mins
Coming Up
15 - 30 mins
3 - 6 hrs
Coming Down
3 - 5 hrs
After Effects
2 - 5 hrs
Hangover / Day After
- - -
  • mental and physical stimulation
  • increase in associative & creative thinking
  • mood lift
  • increased awareness & appreciation of music
  • sensory enhancement (taste, smell, etc)
  • closed- and open-eye visuals, including trails, color shifts, brightening, etc.
  • Profound life-changing spiritual experiences or personal revelations
  • therapeutic psychological reflection
  • feeling of oceanic connectedness to the universe; blurring of boundaries between self and other
  • perspective altering
  • general change in consciousness
  • pupil dilation
  • difficulty focusing
  • increased salivation and mucus production (causes coughing in some people)
  • unusual body sensations (facial flushing, chills, goosebumps, body energy)
  • unusual thoughts and speech
  • change in perception of time
  • quickly changing emotions (happiness, fear, gidiness, anxiety, anger, joy, irritation)
  • slight increase in body temperature
  • slight increase in heart rate
  • increase in yawning (without being tired)
  • looping, recursive, out of control thinking
  • anxiety
  • tension, jaw tension
  • increased perspiration
  • delusions, delusional thinking, & fanciful ideation taken as fact
  • difficulty regulating body temperature
  • nausea
  • dizziness, confusion
  • insomnia
  • megalomania
  • over-awareness & over-sensitization to music and noise
  • paranoia, fear, and panic
  • unwanted and overwhelming feelings
  • Unwanted or unexpected life-changing spiritual experiences or personal revelations
  • PTSD-style flashbacks or vivid memories of unpleasant visions, memories, or thoughts
LSD is a classic psychedelic, which many users feel acts as a psychological amplifier. Colors may be enhanced, patterns may be perceived, and the user may feel connected to others and to the universe at large. On the negative side, users may become paranoid or feel as if they are dying.

Erowid's effects information is a summary of data gathered from users, research, and other resources. This information is intended to describe the range of effects people report experiencing. Effects may vary dramatically from one person to another or one experience to another based on a variety of factors such as body chemistry, age, gender, physical health, dose, form of material, etc.