Does getting high hurt? Characterization of cases of LSD and psilocybin-containing mushroom exposures to national poison centers between 2000 and 2016.

These data find that LSD and PcM use occurs primarily in adolescents and young adults, who experience mild to moderate adverse effects. Serious effects are infrequent but can occur. While most LSD and PcM users require only emergency department management, LSD use is more likely to require medical admission.