Allergy skin tests and immunotherapy: comparison of methods in common use

Scratch, prick, single dilution intradermal, and skin endpoint titration skin testing techniques are compared and contrasted. The use of these skin testing methods for safely initiating and advancing allergy immunotherapy treatment is discussed. Concepts of low-dose, symptom-relieving dose, and maximally-tolerated dose immunotherapy are described, and common factors in all allergy techniques are stressed.