Paper II
2021 May (Supplementary) (2010 Scheme)

Question

Ofloxacin

Q43 marksShort Notes

Answer

Ofloxacin is a second-generation fluoroquinolone.

Mechanism of action

  • Inhibits bacterial DNA gyrase and topoisomerase IV, blocking DNA replication (bactericidal)

Uses

  • Urinary tract infections
  • Respiratory tract infections
  • Sexually transmitted infections (including some drug-resistant gonorrhoea, though resistance is increasing)
  • Multidrug-resistant tuberculosis (as part of second-line regimens)

Adverse effects

  • GI upset
  • Tendinitis/tendon rupture
  • CNS effects (headache, dizziness)
  • Photosensitivity
  • Arthropathy in growing cartilage (avoided in children/pregnancy)

Other Years Asked


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