Patch tests - allergy; Scratch tests - allergy; Skin tests - allergy; RAST test
Risks related to skin and food allergy tests may include:
The accuracy of allergy testing varies quite a bit. Even the same test performed at different times on a person may give different results. A person may react to a substance during testing, but never react during normal exposure. A person may also have a negative allergy test and yet still be allergic to the substance.
Adkinson NF Jr. Middleton’s Allergy: Principles and Practice. 6th ed. Philadelphia, Pa: Mosby; 2003.
Rakel RE. Textbook of Family Medicine. 7th ed. Philadelphia, Pa: WB Saunders; 2007.