Alopecia areata is
hair loss caused when the immune system attacks
hair follicles, where hair growth begins. Contact immunotherapy may be the most effective treatment for severe alopecia areata.1 A common medicine used is
DPCP, a liquid, is "painted" on the scalp once a week. The
concentration of the solution is increased at each treatment session until a
allergic reaction occurs. Hair growth may appear
within 3 months of beginning treatment.
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
.gov or call 1-800-4-CANCER.
WebMD Medical Reference from Healthwise
March 12, 2014
This information is not intended to replace the advice of a doctor.
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