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Ch 87
Sulfonamides and Trimethoprim
9
Pharmacology
Undergraduate 3
07/28/2011

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Cards

Term
What drug suppress bacterial growth by inhibiting synthesis of folic acid
Definition
Sulfamethoxazole (its a sulfonamide)
Term
What is Sulfamethoxazole primarily used to treat?
Definition
UTIs
Term
What are the adverse effects of Sulfamethoxazole?
Definition
Hypersensitivity that can be mild or severe(Stevens-Johnsons); Hematologic effects, Kernicterus, photosensitivity, renal damage from crystalluria (8-10 glasses of water each day.
Term
What medication do you want to check allergies with sulfa?
Definition
Sulfamethoxazole
Term
Which medication suppresses bacterial synthesis of DNA, RNA, and proteins by inhibing dihydrofolate reductase?
Definition
Trimethoprim (cidal or static)
Term
What are the adverse effects of Trimethoprim?
Definition
Itching, rash, GI- N/V,
hematologic effects- megaloblastic anemia, thrombocytopenia, neutropenia
Term
What is Trimethoprim + Sulfamethoxazole called?
Definition
Bactrim or Septra (additive)
Term
Theraputic uses of Bactrim include:
Definition
UTI is #1
Pneumocystis pneumonia(PCP) in HIV pts
GI infections, MRSA of skin, otitis media, bronchitis, whooping cough, mocardiosis, brucellosis, meliodosis, chancroid
Term
Bactrim is generally well tolerated. Some of the adverse effects are:
Definition
nausea, vomiting, and rash; same effects as with two drugs separately, photosensitivity, Hypersensitivity reactions including Stevens-Johnson Syndrome, Hematologic problems- hemolytic anemia, agranulocytosis, leukopenia, thrombocytopenia, aplastic anemia, Kernicterus, renal damage
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