Skin Patch Testing for Allergies

T.R.U.E. Testing is a superficial patch test (held onto the back by adhesive; no needles) useful in diagnosing allergic contact dermatitis. It tests for the 36 most common allergens in the United States.

Patch testing can be indicated for patients with:

• Suspected contact dermatitis
• Hand dermatitis
• Leg or foot dermatitis
• Facial dermatitis
• Discoid dermatitis
• Dermatitis with unusual distribution
• Atypical allergic symptoms
• Skin reactions from allergen ingestion