Methacholine induced headache.

Carratala, C; Gea, J G; Aguar, M C; Grau, S; Espadaler-Medina, J M; Broquetas, J M · Thorax · 1995

case_report · Level V

Where this comes from

Abstract

A lung function technician developed episodes of headache, probably related to the use of methacholine. The headache disappeared with breathing 100% oxygen. Cholinergic agents are known to induce headaches but the mechanism remains unclear. Vascular factors could be implicated.

Medical subject headings