Trimethoprim and the sulphonamides.
D000820:Animal Diseases / Q000188:drug therapy; D000818:Animals; D004357:Drug Synergism; D005493:Folic Acid Antagonists / Q000378:metabolism / Q000627:therapeutic use* / Q000633:toxicity; D006801:Humans; D008826:Microbial Sensitivity Tests; D011743:Pyrimidines / Q000378:metabolism / Q000627:therapeutic use* / Q000633:toxicity; D013411:Sulfadiazine / Q000627:therapeutic use; D013420:Sulfamethoxazole / Q000627:therapeutic use; D013444:Sulfisoxazole / Q000627:therapeutic use; D013449:Sulfonamides / Q000378:metabolism / Q000627:therapeutic use* / Q000633:toxicity
D005493:Folic Acid Antagonists; D011743:Pyrimidines; D013449:Sulfonamides; D013411:Sulfadiazine; D013444:Sulfisoxazole; D013420:Sulfamethoxazole