Allerban works to treat and prevent asthma attacks, as it reduces the frequency, severity and duration of asthma attacks when taken continuously. However, it cannot treat the symptoms of an asthma attack while it is occurring. The active ingredient in
Allerban works to block the effect of histamine, which causes allergy symptoms such as itching and sneezing. Therefore,
Allerban is used as an antihistamine to relieve symptoms that affect the nose, skin or eyes.