Patch Testing San Francisco

Patch testing San Francisco


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

Contact Us

Contact us with questions or to set a skin patch testing appointment