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Sulfonamides
Sulfonamides
8
Pharmacology
Professional
08/19/2012

Additional Pharmacology Flashcards

 


 

Cards

Term
MOA of sulfonamides
Definition

Interferes with bacterial folic acid synthesis.

 

SMZ: inhibits dihydrofolic acid formation from para-aminobenzoic acid


TMP: inhibits dihydrofoilc acid reduction to tetrahydrofolate.

Term
Name the sulfonamides
Definition

Sulfamethoxazole and trimethoprim (Bactrim, Septra)

 

Term
What is the single strength (SS) and double strength (DS) doses?
Definition

SS: 400 mg SMZ/80 mg TMP

DS: 800 mg SMZ/ 160 mg TMP

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Term
What is the ration of SMZ to TMP for Septra?
Definition
Always 5:1 ratio
Term
What are some contraindications for sulfonamides?
Definition

Sufla Allergy

Pregnancy (at term)

Anemia due to folate deficiency

Term
Bactrim suspension should be stored at what temperature?
Definition
room temperature
Term
Sulfonamides are moderate inhibitors of what?
Definition

2C8/9; therefore caution when administering with warfarin

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Term
sulfonamides may increase levels of sulfonylureas & phenytoin
Definition
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