California Allergy & Asthma Medical Group is a health care provider that specializes in advanced diagnostic treatment options in allergy and asthma care. It provides treatment of allergic rhinitis, sinusitis, atopic dermatitis, food and drug allergy, anaphylaxis, contact dermatitis, conjunctivitis and primary immunodeficiency syndromes. The health care system also offers diagnosis and treatment for symptoms, such as nasal congestion, wheezing, headache, chronic cough and recurrent respiratory infections. California Allergy & Asthma Medical Group conducts pulmonary function testing, rhinoscopy, allergen immunotherapy and intravenous immunoglobulin infusions. Its clinical research division offers patients and volunteers the opportunity to participate in clinical trials to provide innovative treatment options. California Allergy & Asthma Medical Group maintains a research facility in Los Angeles.