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Pharm 31 Anti
LECOM Pharm 31
| Question | Answer |
|---|---|
| MOA of sulfonamides | PABA analogue that inhibits microbial dihydropteroate synthase, preventing folic acid synthesis |
| You can’t use Dapsone in a Pt with | G6PD deficiency |
| PABA analogue used in susceptible vaginal infections | sulfanilamide |
| PABA analogue used against Toxoplasmosis | sulfadiazine |
| What to avoid using with sulfonamides | Sunscreen AKA PABA |
| 6 serious side effects of sulfonamides | kernicterus in newborns, crystaluria, SJ syndrome, agranulocytosis, aplastic anemia, hepatic failure |
| PABA analogue used with Leprosy and dermatitis herpetiformis | dapsone |
| 7 serious SE of dapsone | Hemolytic anemia, methemoglobinemia, TEN, erythema nodosum, pancreatitis, toxic hepatitis, peripheral neuropathy |
| Selectively inhibits bacterial DHFR | trimethoprim |
| Selectively inhibits parasitic DHFR | pyrimethamine |
| 2 drugs used together to treat toxoplasmosis | sulfadiazine/pyrimethamine |
| 3 serious SE of trimethoprim and pyrimethamine | SJ syndrome, leukopenia, megaloblastic anemia |
| Selectively inhibits mammalian DHFR | methotrexate |