trimethoprim

noun

tri·​meth·​o·​prim trī-ˈme-thə-ˌprim 

: a synthetic antibacterial and antimalarial drug C₁₄H₁₈N₄O₃ used alone or in combination with sulfamethoxazole

Examples of trimethoprim in a Sentence

Recent Examples on the Web

Next came Macrobid, a combination treatment of trimethoprim and sulfamethoxazole. —Natalie Ma, STAT, 31 Oct. 2021

Antibiotics are used to treat donovanosis, including azithromycin, doxycycline, ciprofloxacin, erythromycin and trimethoprim-sulfamethoxazole. —Scott Gleeson, USA TODAY, 26 Oct. 2021

Treatment of nocardia of the lung in people with normal immune systems usually involves trimethoprim and sulfamethoxazole; since that seemed not to do well for you, minocycline is a reasonable option. —Dr. Keith Roach, oregonlive, 1 July 2021

Seeing a doctor is important not only because the infection can be diagnosed by stool exams, but also because the parasite is treatable with trimethoprim-sulfamethoxazole, an antibiotic combination, according to Dr. Sears. —Colleen Murphy, Health.com, 29 June 2021

The usual treatment is trimethoprim/sulfamethoxazole, an antibiotic combination. —Sarah Jacoby, SELF, 9 July 2018

And, of those patients, nearly 35 percent filled a prescription for nitrofurantoin and nearly 8 percent filled a prescription for trimethoprim-sulfamethoxazole, per the CDC data. —Korin Miller, SELF, 18 Jan. 2018

Word History

Etymology

tri- + meth- + -prim (by shortening & alteration from pyrimidine)

First Known Use

1964, in the meaning defined above

Medical Definition

trimethoprim

noun

tri·​meth·​o·​prim trī-ˈmeth-ə-ˌprim 

: a synthetic antibacterial drug C₁₄H₁₈N₄O₃ used alone especially to treat urinary tract infections and Pneumocystis carinii pneumonia and in combination with sulfamethoxazole to treat these as well as other infections (as shigellosis or acute otitis media) see bactrim