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Although adverse drug reactions are a wellrecognized cause of mental status changes
in the elderly, antimicrobials are rarely implicated. Three patients with serious
organic brain disease developed paranoid psychosis after therapy with trimethoprim-sulfamethoxazole
or ciprofloxacin was begun. One of the patients was accidently rechallenged and again
developed a psychotic reaction. The acute psychoses did not improve with moderate
doses of major tranquilizers but resolved completely with drug discontinuation.
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References
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Article info
Publication history
Accepted:
August 28,
1990
Received:
June 15,
1990
Identification
Copyright
© 1991 Reed Publishing USA. Published by Elsevier Inc.