Trimethoprim is an antifolate antibacterial agent that inhibits bacterial dihydrofolate reductase (DHFR), a critical enzyme that catalyzes the formation of tetrahydrofolic acid (THF) - in doing so, it prevents the synthesis of bacterial DNA and ultimately continued bacterial survival.[L11893] Trimethoprim is often used in combination with [sulfamethoxazole] due to their complementary and synergistic mechanisms but may be used as a monotherapy in the treatment and/or prophylaxis of urinary tract infections.[L11893,L11830] It is structurally and chemically related to [pyrimethamine], another antifolate antimicrobial used in the treatment of plasmodial infections.[T707]
Sulfamethoxazole and Trimethoprim for Injection, USP
Apo-sulfatrim Oral Suspension
sulfamethoxazole-trimethoprim (SMZ)
Sulfamethox-TMP DS
Sulfamethoxazole and Trimethoprim Double Strength
Roubac Tab 160/800
Sulfamethoxazole and Trimethoprim DS
Teva-trimel
Trisulfa Tab
Trimethoprim Tablets
Septra DS Tablets
Sulfamethoxazole and Trimethoprim (Double Strength)
Proloprim Tab 100mg
SulfatrimTM Pediatric Suspension
PMS-polytrimethoprim
Septra DS
Sulfamethoxazole and Trimethoprim
SULFAMETHOXAZOLE AND TRIMETHOPRIM double strength
Polymyxin B Sulfate and Trimethoprim Sulfate
Polytrim Ophthalmic Solution
Polytrim
Nu-cotrimox Tab 400/80mg
Primsol
Septra Grape
Trimethoprim
Nu-cotrimox-DS Tab 800/160mg
TRIMPEX trimethoprim hydrochloride
Coptin Oral Suspension
Bactrim DS
Roubac Tab 80/400
Bactrim DS Roche Tab
Septra
Sulfameth/Trimeth-DS
Teva-trimel DS
Coptin Tab
Trisulfa DS Tab
Bactrim Roche Tab
Protrin Df Tab
Riva-sep DS
Sandoz Polytrimethoprim
Proloprim
Protrin Tab
Polymyxin B Sulfate and Trimethoprim
Indication
As a monotherapy, trimethoprim is indicated for the treatment of acute episodes of uncomplicated urinary tract infections caused by susceptible bacteria, including _E. coli._, _K. pneumoniae_, _Enterobacter spp._, _P. mirabilis_, and coagulase-negative _Staphylococcus_ species.[L11893,L11890] In various formulations in combination with [sulfamethoxazole], trimethoprim is indicated for the following infections caused by bacteria with documented susceptibility: urinary tract infections, acute otitis media in pediatric patients (when clinically indicated), acute exacerbations of chronic bronchitis in adults, enteritis caused by susceptible _Shigella_, prophylaxis and treatment of _Pneumocystis jiroveci_ pneumonia, and travelers' diarrhea caused by enterotoxigenic _E. coli_.[L11830,L11863] Trimethoprim is available as an ophthalmic solution in combination with [polymyxin B] for the treatment of acute bacterial conjunctivitis, blepharitis, and blepharoconjunctivitis caused by susceptible bacteria.[L11887]
Drug Info/Drug Targets: DrugBank 3.0: a comprehensive resource for 'omics' research on drugs. Knox C, Law V, Jewison
T, Liu P, Ly S, Frolkis A, Pon A, Banco K, Mak C, Neveu V, Djoumbou Y, Eisner R, Guo AC, Wishart DS.
Nucleic Acids Res. 2011 Jan; 39 (Database issue):D1035-41. | PMID:21059682
