Trimethoprim-sulfamethoxazole and folinic acid.
D004338:Drug Combinations / Q000009:adverse effects; D006402:Hematologic Diseases / Q000139:chemically induced / Q000517:prevention & control*; D006801:Humans; D002955:Leucovorin / Q000627:therapeutic use*; D013420:Sulfamethoxazole / Q000009:adverse effects*; D014295:Trimethoprim / Q000009:adverse effects*; D015662:Trimethoprim, Sulfamethoxazole Drug Combination
D004338:Drug Combinations; D015662:Trimethoprim, Sulfamethoxazole Drug Combination; D014295:Trimethoprim; D013420:Sulfamethoxazole; D002955:Leucovorin