Mermel L A, Doro J M, Kabadi U M
J Clin Psychiatry. 1986 May;47(5):269-70.
A 55-year-old man became acutely psychotic and had a pseudoseizure after receiving six doses of intravenously administered trimethoprim-sulfamethoxazole. These symptoms resolved within 24 hours after discontinuation of the medication; this finding suggests a causal effect of the drug administration.