Allergy Diagnostics And Treatment Market Size and Forecasts (2021 - 2031), Global and Regional Share, Trends, and Growth Opportunity Analysis Report Coverage: By Diagnostic Tests (Skin prick test, Intradermal, Patch test, In vitro); Drug class (Antihistamines, Decongestants, Corticosteroids, Mast cell Stabilizers, Leukotriene Inhibitors, Nasal Anticholinergics Immunomodulators, AutoinjecTable Epinephrine, Immunotherapy); Product Type (Instruments, Consumables, Services); Allergen Type (Food, Inhaled, Drug, Other); End User (Diagnostic Laboratories, Hospitals, Academic Research Institutes) , and Geography (North America, Europe, Asia Pacific, and South and Central America)