2 doctors weighed in:

What common diseases can cause hair to fall out excessively?

2 doctors weighed in
Dr. Michael Fisher
Dermatology
1 doctor agrees

In brief: Hair loss

Telogen effluvium is a form of nonscarring alopecia characterized by diffuse hair shedding, often with an acute onset.
A chronic form with a more insidious onset and a longer duration also exists.Telogen effluvium is a reactive process caused by a metabolic or hormonal stress or by medications. Generally, recovery is spontaneous and occurs within 6 months.

In brief: Hair loss

Telogen effluvium is a form of nonscarring alopecia characterized by diffuse hair shedding, often with an acute onset.
A chronic form with a more insidious onset and a longer duration also exists.Telogen effluvium is a reactive process caused by a metabolic or hormonal stress or by medications. Generally, recovery is spontaneous and occurs within 6 months.
Dr. Michael Fisher
Dr. Michael Fisher
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