Anagen effluvium

Anagen effluvium is a specific form of hair loss that occurs during the anagen phase of the hair growth cycle. This condition is most commonly associated with chemotherapy and radiation therapy, which can damage the hair follicle and disrupt the growth phase.

Causes

Anagen effluvium is primarily caused by treatments for cancer, such as chemotherapy and radiation therapy. These treatments can damage the hair follicles, causing the hair to fall out during the anagen phase. Other potential causes include certain medications, severe infections, and major surgery.

Symptoms

The main symptom of anagen effluvium is sudden and severe hair loss. This can occur anywhere on the body, including the scalp, eyebrows, eyelashes, and pubic area. The hair loss typically begins within a few days to weeks after exposure to the causative agent.

Diagnosis

Diagnosis of anagen effluvium is typically based on the patient's medical history and a physical examination. The doctor may also perform a hair pull test to determine the stage of the hair growth cycle. In some cases, a biopsy of the scalp may be necessary to confirm the diagnosis.

Treatment

Treatment for anagen effluvium primarily involves addressing the underlying cause. If the hair loss is due to chemotherapy or radiation therapy, the hair will usually begin to grow back once the treatment is completed. In some cases, medications may be used to stimulate hair growth.

See also

• Telogen effluvium
• Alopecia areata
• Hair loss

References

Anagen effluvium Resources
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