A histamine challenge (provocation) test is a breathing test that helps us to understand how your lungs work. It also helps us to understand whether your symptoms are due to asthma.
We will use a nebuliser (a machine that helps you breathe in mist through a mask or mouthpiece) to help you breathe. We will then ask you to inhale small doses of a histamine solution, which will gradually increase.
Once the test has finished, we will let you know of the test outcome.
Asthma is a common lung condition that causes occasional breathing difficulties. There is no cure for asthma but in most sufferers, available treatments keep their symptoms under control.
Asthma and allergy contact details
Fulham Wing/South Block, Fulham Road
Tel: +44 (0)20 7351 8892
Fax: +44 (0)20 7351 8949