Diseases that can cause
hair loss, thinning, or breakage include:
Lupus, in which hair tends to become
brittle and may fall out in patches. Short, broken hairs ("lupus hairs")
commonly appear above the forehead. Hair loss is usually not permanent. Some
people with lupus also develop a form of lupus called discoid or cutaneous
lupus that affects only the skin ("cutaneous" refers to skin). Scars that
sometimes develop on the scalp may cause hair loss.
problems, which are a common cause of scattered hair loss. Both an overactive
thyroid (hyperthyroidism) and an underactive thyroid (hypothyroidism) can cause hair loss. Hair loss
associated with thyroid disease can be reversed with proper
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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