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Trimethoprim-sulfamethoxazole therapy for ocular toxoplasmosis.

AbstractBACKGROUND: Toxoplasmosis is a leading cause of retinochoroiditis. Conventional multidrug therapy using sulfadiazine, pyrimethamine, and folinic acid is increasingly difficult to procure and administer safely. METHODS: To evaluate the efficacy of trimethoprim-sulfamethoxazole, a fixed-combination antibiotic, patients with active toxoplasmosis were treated with trimethoprim-sulfamethoxazole (Bactrim DS) with or without adjunctive clindamycin and prednisone for 4 to 6 weeks. RESULTS: All patients in this study (n = 16) had resolution of active retinochoroiditis and had improved vision, with an average gain of 5.2 lines of vision. Two patients developed a drug allergy. CONCLUSION: Trimethoprim-sulfamethoxazole appears to be a safe and effective substitute for sulfadiazine, pyrimethamine, and folinic acid (Leucovorin) in treating ocular toxoplasmosis.
AuthorsE M Opremcak, D K Scales, M R Sharpe (Affiliation: Ohio State University, College of Medicine, Department of Ophthalmology, Columbus 43210.)
JournalOphthalmology (Ophthalmology) Vol. 99 Issue 6 Pg. 920-5 (Jun 1992) ISSN: 0161-6420 UNITED STATES
PMID1630782 (Publication Type: Case Reports, Journal Article)
Chemical References
  • Clindamycin
  • Prednisone
  • Trimethoprim-Sulfamethoxazole Combination
Topics
  • Adolescent
  • Adult
  • Aged
  • Child
  • Chorioretinitis (drug therapy, parasitology)
  • Clindamycin (therapeutic use)
  • Drug Tolerance
  • Female
  • Fundus Oculi
  • Humans
  • Male
  • Middle Aged
  • Prednisone (therapeutic use)
  • Toxoplasmosis, Ocular (drug therapy)
  • Trimethoprim-Sulfamethoxazole Combination (therapeutic use)
  • Visual Acuity