An allergy is an adverse immune system reaction to a substance most people find harmless. There are two types of allergies: those caused by environmental factors, such as dust, pollens, dust mites, chemicals, and perfumes, and those caused by foods, such as wheat, milk, shellfish, chocolate, food additives, coffee, and tomatoes.

Allergies not only manifest as stuffy nose, watery eyes, and sneezing, but can cause or contribute to backaches, joint pain, headaches, fatigue, diabetes, edema, gastrointestinal disorders, glaucoma, kidney problems, weight gain, heart palpitations, depression, and learning disorders. In traditional Chinese medicine , all allergy, asthma, sinus problems are du to lung failure to distribute body fluid; instead it distributes damp and phlegm to nose,eyes and ears. Further it causes blocking them and results in difficulty breathing, cough,stuffy nose, sneezing ,watery eyes, and wheezing .There are some points located on the scalp that are most effective in treating these condition. Acupuncture is applied on those points and open your nose , eyes and ears right away .Most of time, the patient feels that their nose is opened in one second as the needle is inserted, you can even see improvement within one session.