Clinical toxicology of ‘magic mushroom’ ingestion Postgraduate Medical Journal September 1, 1981 Norman R. Peden, Katrina Macaulay, Ann F Bissett et al. 58 citations Summary The clinical features are reported in 27 cases of ‘magic mushroom’ ingestion. Mydriasis and hyperreflexia were common as were disorders of perception and affect. Psilocybe semilanceata appears to have been the species of fungus involved. DOI: 10.1136/pgmj.57.671.543 (opens in new tab) Full text (opens in new tab) Mushroom poisoning Ingestion Mydriasis Clinical toxicology +7