Allergic rhinitis is very common in many people, occurring when the mucosa (the lining inside the nose) is inflamed when the patient inhales allergens (allergens) such as dust, smoke, hair, silk, etc. and sneezing is a form of the body's reaction to fight against this allergen. Although it is a benign disease, it causes a lot of discomfort in daily life and the treatment of allergic rhinitis. Allergic rhinitis is divided into two types, cyclical and non-cyclical.