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An antibiotic drug, C14H18N4O3, used primarily to treat or prevent urinary tract infections, often in combination with sulfamethoxazole.

[tri- + meth- + o(xy)- + p(y)rim(idine).]


(Pharmacology) an antibiotic often prescribed to be taken with a sulphonamide, esp to treat urinary infections


(traɪˈmɛθ ə prɪm)

a synthetic crystalline compound, C11H18N4O3, usu. combined with a sulfonamide as an antibiotic preparation in the treatment of urinary tract infections and pneumocystis pneumonia.
[1960–65; trimetho(xyphenyl) + p(y)rim(idinediamine), components of its chemical name]
References in periodicals archive ?
It is part of the routine of the laboratory to test the drugs most used by veterinarians, in this way the 17 active ingredients used in this sensitivity tests were: PMN = novobiocin (40 [micro]g)+penicillin G procaine (40 [micro]g); CEQ = cefquinome (30 [micro]g); AMO = amoxicillin (10 [micro]g); DUL = danofloxacin (5 [micro]g); CTF = ceftiofur (30 [micro]g); CL = cephalexin (30 [micro]g); CN = gentamicin (10 [micro]g); TE = tetracycline (30 [micro]g); AM = ampicillin (10 [micro]g); ENO = enrofloxacin (5 [micro]g); NEO = neomycin (30 [micro]g); SUT = sulfatrim (25 [micro]g); AMC = ampicillin+colistin (30 [micro]g); CNM = cefalonium (30 [micro]g); ACA = amoxicillin (20 [micro]g) +clavulanic acid (10 [micro]g); OXA = oxacillin (1 [micro]g); and CIP = ciprofloxacin (5 [micro]g).
The following disks (Laborclin[TM]) were used: oxacillin (1[micro]g), cefepime (30[micro]g), rifampicin (5[micro]g), chloramphenicol (30[micro]g), clindamyicin (2[micro]g), erythromycin (15[micro]g), penicillin G (10un), sulfatrim (23, 75/1, 25[micro]g), tetracycline (30[micro]g), gentamicin (10[micro]g) and ciprofloxacin (5[micro]g).
Trimethoprim/Sulfamethoxazole * Bacter-Aid DS, Bactrim, Septra, Sulfatrim, Sultrex
Amoxicillin/clavulanate * Augmentin Azithromycin * Zithromax Cefdinir * Omnicef Cefixime * Suprax Cefpodoxime * Vantin Cefprozil * Cefzil Ceftriaxone * Rocephin Cefuroxime * Ceftin Clarithromycin * Biaxin Erythromycin-sulfisoxazole * Eryzole, Pediazole Gatifloxacin * Tequin Levofloxacin * Levaquin Loracarbef * Lorabid Telithromycin * Ketek TMP-SMZ * Bactrim, Cotrim, Septra, Sulfatrim