What is the treatment regimen for topical immunotherapy for alopecia areata?

Updated: Aug 06, 2020
  • Author: Chantal Bolduc, MD, FRCPC; Chief Editor: Dirk M Elston, MD  more...
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Treatment is provided weekly.

The patient first is sensitized directly on the scalp with a 2% concentration on a small area (2 cm).

The following week, a low concentration (0.0001%) is applied.

The concentration is increased slowly every week as needed until a mild tolerable allergic contact dermatitis is elicited. Many concentrations are available that achieve this goal.

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