What is the role of clofazimine in TB treatment and a notable side effect?

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Multiple Choice

What is the role of clofazimine in TB treatment and a notable side effect?

Explanation:
Clofazimine is a second-line anti-TB drug used mainly in regimens for multidrug-resistant TB, rather than for drug-susceptible TB or latent TB. Its standout side effect is skin discoloration, producing a reddish-brown to black tint that can persist for months and may darken with sun exposure. This cosmetic change is a well-known and defining feature of the drug, which is why it’s emphasized in exams. While some other adverse effects can occur (digestive upset, potential effects on liver function, and rare cardiac effects), the most distinctive and frequently tested pairing is its use in MDR-TB regimens with the accompanying skin discoloration.

Clofazimine is a second-line anti-TB drug used mainly in regimens for multidrug-resistant TB, rather than for drug-susceptible TB or latent TB. Its standout side effect is skin discoloration, producing a reddish-brown to black tint that can persist for months and may darken with sun exposure. This cosmetic change is a well-known and defining feature of the drug, which is why it’s emphasized in exams. While some other adverse effects can occur (digestive upset, potential effects on liver function, and rare cardiac effects), the most distinctive and frequently tested pairing is its use in MDR-TB regimens with the accompanying skin discoloration.

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