Some reasons for eyelash loss include some skin diseases, endocrine disorders, congenital diseases, inflammations and drug side effects, according to Seminars in Plastic Surgery. Other possible causes are psychological, such as trichotillomania.
Disease is a possible cause of eyelash loss, according to Seminars in Plastic Surgery. Some specific skin diseases that cause eyelash loss are psoriasis, dermatophytosis, alopecia areata, acanthosis nigricans, acrodermatitis and epidermolysis bullosa. Endocrine diseases that can cause the symptom are hyperthyroidism, hypothyroidism and pituitary insufficiency. Cryptophthalmos, hereditary ectodermal dysplasia syndrome and Ehlers-Danlos syndrome are some congenital conditions that cause eyelash loss. Possible infectious disease causes are herpes zoster, furuncles, syphilis, cholera, mycotic infections and tuberculosis.
Medications and substance poisoning are other causes of eyelash loss, according to Seminars in Plastic Surgery. Drugs that can cause the symptom are anticoagulants, boric acid, antithyroid drugs, propranolol, valproic acid and miotics. Arsenic, vitamin A, bismuth, gold and thallium intoxication are other possible substance-related causes.
Trauma is a possible cause of eyelash loss, suggests Seminars in Plastic Surgery. Some examples of trauma that can lead to eyelash loss are lid lacerations, prior eyelid surgery, radiation treatments, thermal injuries, eyelid tattooing and cryotherapy. Blepharitis inflammation, sebaceous gland carcinoma, sickle cell anemia and Vogt-Koyanagi-Hirada disease are some other causes of eyelash loss, and other causes are idiopathic.