Allergen testing can be done in the Department of Dermatology, Department of Allergy, Department of Otorhinolaryngology, Department of Respiratory Medicine, etc. Depending on the region, the level of hospital, the type of test, and the number of tests, the cost of the test ranges from 200 to 1,000 yuan. The main methods of clinical allergen examination include patch test, blood sampling and skin prick test. Allergies are often manifested as skin lesions such as hives and eczema, so they are mainly billed to dermatologists or allergists. The exact cost is related to the level of hospital, type and number of tests, and ranges from 200 to 1,000 yuan. For allergic rhinitis symptoms such as itchy nose, nasal congestion and runny nose, you can consult the ENT department, and for allergic asthma symptoms such as coughing and difficulty breathing, you can consult the respiratory medicine department and get an allergen test. Allergen testing can be done in dermatology, allergology, otolaryngology, respiratory medicine, etc., and the cost of testing ranges from 200 to 1,000 yuan. Allergen testing should be done at a local hospital.