Antimicrobial
Sulfonamides and trimethoprim
Folate-pathway antimicrobial concept
sul-FON-uh-mydz and try-METH-oh-prim
High-yield clue
Sequential folate pathway targets: DHPS and DHFR vocabulary.
Overview
A paired antimicrobial concept used to teach sequential folate-pathway blockade and resistance via altered enzymes or bypass pathways.
Classification
- Antimicrobial class concept
- Metabolic pathway inhibition
Lab & identification clues
- Susceptibility vocabulary
- Altered enzyme resistance concepts
- Combination-class mechanism matching
Associations
- UTI coursework vocabulary
- Pneumocystis association as class fact
- Resistance mechanism drills
Commonly confused with
- Beta-lactams
- Fluoroquinolones
- Macrolides
Your notes
Original mechanism summary for microbiology study. Sources checked: CDC antimicrobial-resistance guidance, NCBI Bookshelf Medical Microbiology, and standard coursework frameworks; reviewed 2026-06. Covers class, mechanism, and resistance vocabulary only; no prescribing, dosing, or patient-specific treatment guidance.