22nd February 2024

A 55-year-old male presents to her GP with a history of recurrent chest pain.

A 55-year-old male presents to her GP with a history of recurrent chest pain. He describes the pain as similar to ‘heavy pressure’ on his chest and is situated in the middle. There is no radiation of pain. The pain occurs suddenly, lasting for 5-10 minutes and seems to occur when he is more active, for example during exercise. He feels mildly short of breath during the episodes but has not experienced any cough or wheezing. His symptoms are suggestive of angina and you prescribe Glyceryl Trinitrate to use when an episode of chest pain occurs.

Which one of the following is a common side-effect of Glyceryl Trinitrate?: