Which medications in the drug class Sulfonamides are used in the treatment of Breast Abscesses and Masses?

Updated: Jul 27, 2020
  • Author: Andrew C Miller, MD; Chief Editor: Jeter (Jay) Pritchard Taylor, III, MD  more...
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Answer

Sulfonamides

Trimethoprim/sulfamethoxazole (Bactrim, Bactrim DS)

Outpatient therapy

For non-severe MRSA infections.

Trimethoprim: Inhibits dihydrofolate reductase, thereby blocking production of tetrahydrofolic acid from dihydrofolic acid.

Sulfamethoxazole: Inhibits bacterial synthesis of dihydrofolic acid by competing with para­aminobenzoic acid.

Caution: Pregnancy category D. Medication crosses into breast milk. Avoid use in breastfeeding mother if nursing preterm infants, infants <2 months, or children with known or suspected glucose-6-phosphate dehydrogenase (G6PD) deficiency.


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