Bath-related headache induced by varenicline

Abstract

The article by Camara Filho et al.1 reports the case of a woman with recurrent headache attacks which occurred after the use of varenicline. The usual presentation of bath-related headache is a recurrent sudden severe headache attack (i.e. thunderclap headache) typically triggered by bathing or other activities involving body contact with water2. The authors commented the possibility of reversible cerebral vasoconstriction as a cause of bath-related headache1. Interestingly, two cases of thunderclap headache have recently been reported3 associating reversible segmental vasoconstriction with the [...]