Table 2 Diagnostic criteria for TCM differentiation of lung and spleen qi deficiency syndrome

History

Participants may have a personal or family history of allergies.

Clinical symptoms

The clinical symptoms are characteristically sudden and repeated. The main symptoms of AR are nasal itching, paroxysmal sneezing, watery rhinorrhea, and nasal congestion. These symptoms may be accompanied by itchiness of the eyes, pharynx, or soft palate.

Signs

The nasal mucosa is pale gray, pale blue, or red. The nasal turbinate is congested, and the nasal cavity is filled with a watery discharge. All these signs are unapparent when in remission. A light pink tongue body with a thin white coating or teeth marks on the sides and a thin and weak pulse are also characteristic.

Other laboratory tests

Immunological tests such as a skin prick test and serum IgE test are helpful in making a diagnosis.