Which drug is effective in the treatment of Leprosy?

Appeared in: UPPSC 2023

Explanation

Clofazimine is a primary drug used in the World Health Organization's (WHO) Multidrug Therapy (MDT) for leprosy.
It is a riminophenazine dye with a dual mechanism: it has weak bactericidal activity against M. leprae and potent anti-inflammatory effects.
Its anti-inflammatory property is particularly valuable for managing and preventing immune-mediated lepra reactions, such as Erythema Nodosum Leprosum (ENL).
It is typically combined with Rifampicin and Dapsone to prevent the development of drug resistance and effectively cure the disease.

Clinical Relevance

Nursing practice connection: Knowing Pharmacological treatment of Leprosy (Hansen's Disease) helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Nurses play a vital role in educating patients about the importance of adhering to the full course of MDT to prevent relapse and drug resistance.
Patient counseling must include managing common side effects. For Clofazimine, nurses should explain that the reddish-black skin discoloration is a normal, expected side effect that will gradually fade after treatment completion. This helps improve adherence.
Monitoring for and managing lepra reactions (like ENL) is a key nursing responsibility. Clofazimine's anti-inflammatory effect helps, but severe reactions may require additional management with corticosteroids.

How to Approach the Question

First, identify the core of the question, which is asking for a specific drug used to treat leprosy.
This is a factual recall question based on pharmacology. Access your knowledge about the treatment of major infectious diseases.
Systematically evaluate each option. Ask yourself, 'What is the primary use of this drug?'
Carbamazepine is for seizures/nerve pain. Pheniramine is for allergies. Diethylcarbamazine is for parasitic worms.
Clofazimine is known as an antileprotic agent. This process of elimination confirms it as the correct answer.
Recalling that leprosy treatment involves Multidrug Therapy (MDT) and that Clofazimine is a key component alongside Dapsone and Rifampicin solidifies the choice.

Concept Tested & Keywords

QDJiuP4jWqRjN7zckqjyDQ

E6 Pharmacology Nurses Shanbhag 3e p. 317-319

E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart B (pp 202-403 of 604) p. 187-189

Practise the full UPPSC 2023

Attempt every question from this paper in a timed mock, then review the full solution for each one.