Paper I
2024 March (Supplementary) (2010 Scheme) · 40 marks · 120 min

Question

Phenobarbitone / Carbamazepine in treatment of Trigeminal neuralgia Name the following (Two examples for each): (5x1=5)

Q150.3 marksShort Answers

Answer

Carbamazepine is the appropriate choice — the drug of choice for trigeminal neuralgia, its Na⁺ channel-blocking action suppressing the paroxysmal, high-frequency neuronal firing that underlies the characteristic lancinating pain. Phenobarbitone, while an antiepileptic, has no established specific efficacy in trigeminal neuralgia and is not used for this indication.

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