Dihydrofolate Reductase Inhibitors Flashcards
1
Q
Example
A
Trimethoprim
2
Q
MoA
A
Bacterial dihydrofolate reductase
Antagonist
Inhibits reduction of dihydrofolic acid to tetrahydrofolic acid
Prevents bacterial DNA synthesis
3
Q
Indications
A
Simple UTIs
4
Q
ADR
A
GI, Rashes, Anaemia
Hyperkalaemia
Hypersensitivity
Decreased haematopoiesis
5
Q
Prescribing Advice
A
Combine with Sulfamethoxazole = Co-trimoxazole for P carinii, Toxoplasmosis, Nocardiasis
X Pregnancy, Blood dyscrasia