4th May 2024

A 24-year-old woman attends her GP’s office.

A 24-year-old woman attends her GP’s office. She has a BMI of 16.5 and reports a significant fear of gaining weight, leading to restrictive eating patterns and excessive exercise for the past year. She expresses distress about her body image, stating she feels overweight despite her low weight. Her physical examination reveals mild bradycardia and her blood tests indicate hypokalaemia.

What is the most appropriate initial treatment?