sulfamethoxazole
noun
sul·fa·meth·ox·a·zole ˌsəl-fə-ˌme-ˈthäk-sə-ˌzōl 
: an antibacterial sulfonamide C10H11N3O3S used alone or in combination with trimethoprim (as in the treatment of urinary tract infections or acute otitis media)
Example Sentences
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 Laboratory testing found that 20 of these cases were resistant to common antibiotics such as chloramphenicol, streptomycin, sulfamethoxazole and tetracycline. Sandee Lamotte, CNN, 25 Aug. 2021 My pulmonary doctor didn’t tell me much except to put me on sulfamethoxazole drugs. Dr. Keith Roach, oregonlive, 1 July 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 Trimethoprim-sulfamethoxazole is a combination of two antibiotics that is used to treat a wider variety of illnesses, including ear infections and bronchitis in addition to UTIs. Korin Miller, SELF, 18 Jan. 2018 See More
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 Laboratory testing found that 20 of these cases were resistant to common antibiotics such as chloramphenicol, streptomycin, sulfamethoxazole and tetracycline. Sandee Lamotte, CNN, 25 Aug. 2021 My pulmonary doctor didn’t tell me much except to put me on sulfamethoxazole drugs. Dr. Keith Roach, oregonlive, 1 July 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 Trimethoprim-sulfamethoxazole is a combination of two antibiotics that is used to treat a wider variety of illnesses, including ear infections and bronchitis in addition to UTIs. Korin Miller, SELF, 18 Jan. 2018 See More Word History
Etymology
sulfa + methyl + oxazole, a compound C3H3NO (from International Scientific Vocabulary ox- + azole)
First Known Use
1960, in the meaning defined above
Medical Definition
sulfamethoxazole
noun
sul·fa·meth·ox·a·zole
variants or chiefly British sulphamethoxazole
-ˌmeth-ˈäk-sə-ˌzōl
: an antibacterial sulfonamide C10H11N3O3S used alone (as in the treatment of urinary tract infections or prophylaxis against meningococcal meningitis) or in combination with trimethoprim (as in the treatment of Pneumocystis carinii pneumonia, shigellosis, acute otitis media, or urinary tract infections) see bactrim, septra