Sulfonamides
Sulfonamide Preparations
Trimethorpim
Trimethoprim/Sulfamethoxazole
Secret questions
(no points)
100
The type of drug that Sulfonamides is classified as

What are a Broad-Spectrum Antimicrobial?

100

These two types are distinguished by how frequently they must be administered—one requires more frequent dosing due to a shorter half-life.

What are short-acting and long-acting sulfonamides?

100

Stops these necessary bacterial building blocks

What are DNA, RNA, and proteins?

100

1. What type of infection is TMP/SMX commonly used to treat?

What are Urinary tract infections (UTIs)?



Explanation: TMP/SMX is effective against many bacteria that commonly
cause UTIs, like E. coli.

100

The day of the week today

What is Wednesday?

200

The method that this drug supresses bacterial growth

What is inhibiting the synthesis of tetrafolate?

200

Short-acting, only available in the U.S., oral suspension combined with erythromycin, marketed as Pediazole, and is used to treat otitis media in children.

What is sulfisoxazole?

200

Works by blocking this bacterial enzyme

What is dihydrofolate reductase?

200

The mechanism of action of TMP/SMX

What is inhibiting folate synthesis?


Explanation: Sulfamethoxazole blocks dihydropteroate synthase, and trimethoprim blocks dihydrofolate reductase — both steps needed for bacteria to make folate.

200

Your favorite snack

What is (insert your favorite snack)?

300

Most commonly administered by this route

What is the oral route?

300

Type of sulfonamides not used routinely, previously high rate of hypersensitivity but are clincially useful now. (creams, gels, ointments, lotions)


What are topical sulfonamides?

300

Often used to treat this common infection, especially in women

What is a urinary tract infection (UTI)?

300

The reason that TMP/SMX should be avoided in late pregnancy

What is Risk of Kernicterus in the newborn?


Explanation: Sulfonamides displace bilirubin from albumin, increasing the risk of brain damage in newborns.

300

The current president of the United States

Who is Donald Trump?

400

If administered to pregnant women, these complications may arise

What are birth defects or kernicterus in the baby?

400

Used to treat eye infections like conjunctivitis and corneal ulcers. It is also formulated in lotions and shampoos for dermatologic conditions such as acne and seborrheic dermatitis.

What is sulfacetamide?

400

This common side effect may cause skin discomfort

What is itching or rash?

400

The major electrolyte abnormality that TMP/SMX can cause


What is Hyperkalemia?


Explanation: Trimethoprim acts like potassium-sparing diuretics in the
kidneys, leading to increased potassium levels.

400

Your entire medical history

What is (insert your entire medical history)?

500

Because of their low solubility, older Sulfonamides can cause which type of damage

What is Renal damage?

500

These two topical sulfonamides prevent bacterial colonization in second and third-degree burns. One releases free silver & is usually painless, while the other can cause acidosis

What are silver sulfadiazine or mafenide?

500

People should be watched closely with this vitamin deficiency while taking this drug

What is folate deficiency?

500

The reason TMP/SMX is effective against Pneumocystis jirovecii pneumonia (PJP) in HIV patients?


What is PJP dependence on folate synthesis, which TMP/SMX inhibits?


Explanation: Although PJP is a fungus, it relies on a similar folate
pathway as bacteria, making TMP/SMX effective for both prevention and
treatment.

500

Your favorite flavor of crayon

What is the blue crayon?