What Causes Eyelash Loss?

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Eyelash loss occurs as a side effect of many conditions, including reactions to drugs, endocrine disorders, inflammations, metabolic abnormalities, skin diseases, systemic disease and trauma, according to the medical journal Seminars in Plastic Surgery. Additionally, some people are known to pull out their own eyelashes. Doctors must rule out medical reasons for the eyelash loss before moving to this diagnosis.

In Seminars in Plastic Surgery, Dr. David R. Jordan lists skin diseases that result in eyelash loss, including psoriasis, neurodermatitis, alopecia areata, lupus erythematous and acrodermatitis among others. Right Diagnosis also points out that eyelash loss may occur as a result of blepharitis, which is an inflammation of the eyelid and eyelash root, and leprosy. Other infectious diseases that sometimes cause eyelash loss include herpes zoster, tuberculosis, syphilis and cholera. Metabolic abnormalities that sometimes result in eyelash loss include the rare skin disorders ichthyosiform erythroderma and Siemens syndrome, according to Right Diagnosis. Web MD points to hypopituitarism as another metabolic disorder in which an abnormal pituitary gland can cause eyelash loss.

As a drug reaction, eyelash loss sometimes occurs in response to anticoagulants, anticholesterol drugs, antithyroid drugs and boric acid, as reported by Seminars in Plastic Surgery. In addition, eyelash loss also sometimes occurs following radiation exposure, eyelid surgery and eyelid tattooing.