Paper II
2024 August (Supplementary) (2010 Scheme)

Question

Ciprofloxacin

Q53 marksShort Notes

Answer

Ciprofloxacin is a second-generation fluoroquinolone.

MOA: ciprofloxacininhibits DNA gyrase (primary target in Gram-negative organisms) and topoisomerase IV → prevents DNA unwinding/religation during replication → bactericidal.

Uses: urinary tract infections (including complicated/pyelonephritis), typhoid fever, gastroenteritis, respiratory and skin/soft tissue infections, anthrax (post-exposure prophylaxis).

Adverse effects: tendinopathy/tendon rupture (particularly Achilles tendon, more common over age 60 or with concurrent corticosteroids), cartilage damage in developing joints (avoided in children/pregnancy), QT prolongation, lowered seizure threshold (worsened by concurrent NSAIDs), photosensitivity.

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