Sulfa drugs-block1 Flashcards
Sulfamethoxazole and trimethoprim are the drugs of choice against?
Pneumocystis carinii pneumonia
Pyrimethamine and Sulfadoxine are the drugs of choice against what disease?
Malaria
What are the intermediate acting sulfa drugs?
Sulfadiazine, Sulfamethoxazole
What are the three adverse effects of sulfonamides?
Crystalluria, Hemolysis with G6PD, and Kernicterus (in neonates, contraindicated)
Kernicterus is jaundice in babies
Dihydropteroate sythetase is inhibited by what drug?
Dihydrofolate reductase is inhibited by what drug?
Sulfonamides
Trimethoprim
Pyrimethamine and Sulfadiazine are the drugs of choice against what?
Toxoplasmosis
What are the short acting and long term acting sulfonamides?
Long: Sulfadoxine
Short: Sulfisoxazole
What drug is used alone orally in acute UTI, not to mention prostatitis?
Trimethoprim
When fighting UTIs what is the drug of choice against of E. Coli?
Cotrimoxazole
What is the drug of choice against Pneumocystis carinii pneumonia (P. jeroveci)?
Cotrimoxazole
Sulfonamide that is acetylated will not move through acidic urine. What should the patient do to avoid crystalluria?
Drink plenty of water
What is the drug of choice against nocardia?
Cotrimoxazole
Sulfapyridine and Sulfasalazine are the drugs of choice against what? name two diseases
Ulcerative Colitis
and Rheumatoid Arthritis
Trimethoprim has what two adverse drug reactions?
Bone marrow suppression, Enterocolitis
What drug is the fixed dose combination of trimethoprim and sulfamethoxazole?
The fixed dose ratio is 1:5, what is the plasma concentration?
What metabolism pathway does this drug block?
Cotrimoxazole
1:20
Folate metabolism