Telogen effluvium

Telogen effluvium is a scalp disorder characterized by the thinning or shedding of hair resulting from the early entry of hair in the telogen phase (the resting phase of the hair follicle). It is a reactive process caused by a metabolic or hormonal stress or by medications. Generally, recovery is spontaneous and occurs within 6 months.

Causes

Telogen effluvium can be triggered by a number of different events, including:

• Surgery
• Major physical trauma
• Major psychological stress
• High fever, severe infection, or other illness
• Extreme weight loss and dieting
• Abrupt hormonal changes, including those associated with childbirth and menopause
• Iron deficiency
• Hypothyroidism or hyperthyroidism
• Certain medications
• Poor nutrition and vitamin deficiencies

Diagnosis

Diagnosis is usually based on a few factors such as the appearance of the hair, the presence of any underlying conditions, and any recent events that could have potentially triggered the condition. A physical examination of the scalp will typically show a pattern of hair loss; a pull test is often performed.

Treatment

Treatment for telogen effluvium is focused on addressing the underlying cause. If the trigger is temporary, then the hair loss will be temporary as well. In some cases, a short course of minoxidil may be recommended by your dermatologist.

See also

• Alopecia
• Anagen effluvium
• Hair disorders
• Hair follicle
• Scalp

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