13th August 2024

A 75-year-old female reports experiencing sharp, shooting pain on the right side of her jaw for the last 8 weeks

A 75-year-old female reports experiencing sharp, shooting pain on the right side of her jaw for the last 8 weeks. The pain comes on multiple times a day and lasts for a few seconds each time. She feels the attacks happen more often during cold weather, when she eats cold food and when she brushes her hair. On occasion, the pain has been so severe it has made her eyes water. She has a history of hypertension for which she takes amlodipine 5 mg. Clinical assessment shows HR 82 bpm, BP 139/88 mmHg, oxygen saturations 96%, RR 16/min, temperature 36.9 degrees Celsius. Her blood tests are unremarkable. Cranial nerve exam is normal.

What medication should be initiated to treat her symptoms?

Select the SINGLE most appropriate option from the list below. Select ONE option only.