Trimethoprim in the urinary tract.
D004352:Drug Resistance, Microbial; D004357:Drug Synergism; D005493:Folic Acid Antagonists / Q000627:therapeutic use*; D006801:Humans; D011743:Pyrimidines / Q000627:therapeutic use*; D013449:Sulfonamides / Q000627:therapeutic use; D014552:Urinary Tract Infections / Q000188:drug therapy*
D005493:Folic Acid Antagonists; D011743:Pyrimidines; D013449:Sulfonamides