HIPD vs HPPD

HIPD is much more serious than HPPD. Both are commonly caused by LSD. HIPD is a medical emergency. HPPD is a long-term visual-only condition most often found among frequent LSD users.

Hallucinogen-Induced Psychotic Disorder (HIPD):

• Involves auditory changes and changes in thinking in addition to visual changes

• Extreme paranoia is present

• A medical emergency requiring a visit to the emergency room

• Treated with atypical antipsychotics

Hallucinogen Persisting Perception Disorder (HPPD):

• Involves visual changes only; is not a psychotic disorder

• Changes in thinking are not present

• Involves some anxiety about the condition, but not paranoia or changes in thinking or behavior

• A long-term condition most often associated with frequent hallucinogen use

• Treated with atypical antipsychotics