Intranasal corticosteroids are first line and most effective single maintenance therapy for allergic rhinitis Use of topical decongestants should be limited to a maximum of 7 days due to a risk of rebound rhinitis Skin prick testing and intradermal methods are the most sensitive and cost effective modalities IgE-mediated allergic rhinitis Patients with a high risk for anaphylaxis or those with recent anaphylactic attack within the last 4 weeks should not undergo skin prick or intradermal allergen testing Atopic dermatitis is not a contraindication for skin prick testing and does not affect test results if performed on unaffected areas