TRADE NAMES: Abaprim; Alprim; Bactin; Bactrim (Women First ); Idotrim; Ipral; Lidaprim; Methoprim; Monotrim; Polytrim; Primosept; Primsol; Septra (Monarch ); Syraprim; Tiempe; Trimopan; Triprim; Unitrim INDICATIONS: Various urinary tract infections caused by susceptible organisms, acute otitis media in children, acute and chronic bronchitis CLASS: Antibiotic , Antimicrobial HALF-LIFE: 8–10 hours
CLINICALLY IMPORTANT, POTENTIALLY HAZARDOUS INTERACTIONS WITH: ACE inhibitors, Amantadine , Angiotensin II receptor antagonists, Antidiabetics, Azathioprine , Benazepril , Captopril , Carvedilol , Cilazapril , Conivaptan , Coumarins, Cyclosporine , CYP2C8 substrates, CYP2C9 inhibitors, CYP3A4 inducers, Dapsone , Deferasirox , Digoxin , Dofetilide , Enalapril , Eplerenone , Fosinopril , Irbesartan , Lamivudine , Leucovorin , Levoleucovorin , Lisinopril , Memantine , Mercaptopurine , Metformin , Methotrexate , Olmesartan , Oral typhoid vaccine, PEG-Interferon , Phenytoin , Pioglitazone , Pralatrexate , Procainamide , Pyrimethamine , Quinapril , Ramipril , Repaglinide , Rifampin , Sulfonylureas, Trandolapril
Notes
Although trimethoprim has been known to elicit occasional adverse reactions by itself, it is most commonly used in conjunction with sulfamethoxazole (co-trimoxazole - see separate entry).
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Page last updated 07/31/2023