When most people think of alopecia areata, they often think of someone with hair loss on their scalp.
“Alopecia Areata is a condition where your immune system attacks your hair follicles,” says Lindsey Bordone, MD, Dermatologist at Columbia University Irving Medical Center in New York. “It's one of the more alarming physical autoimmune conditions because you feel fine [yet] your hair is rapidly falling out.”
However, alopecia areata may cause additional symptoms that people may be less aware of.
Symptoms of alopecia areata most commonly start in someone’s teens, 20s, or 30s — but the condition may begin at any time. Symptoms may include:
Sudden hair loss in isolated patches on the scalp
Loss of facial hair in men
Loss of eyebrows or eyelashes
Nail changes
Hair loss throughout the body
Not everyone with alopecia areata will have all of these symptoms. Some people only have patches of hair loss on the scalp. Some only have hair loss on the eyelashes and eyebrows. Some may have complete hair loss everywhere (a subtype known as alopecia universalis).
“The typical presentation is when someone loses patches of hair on different parts of their scalp,” says Dr. Bordone. “The bald patches look like someone just shaved off a piece of your scalp. Usually, they're completely bald and they [look] like coin-sized circles across your scalp.”
Less commonly, hair loss may affect the entire scalp or the entire body.
Some people with alopecia areata experience changes to the nails. This may look like pits, ridges, or other deformations in the nails. In some cases, the nail may come off. Nail changes are generally associated with more severe alopecia areata.
If you are noticing symptoms of alopecia areata, see your primary care doctor or a dermatologist. They can help you rule out other possible conditions, find a diagnosis, and create a treatment plan.

This information is for informational purposes only and is not meant to be a substitute for professional medical advice, diagnosis or treatment. GoodRx is not offering advice, recommending or endorsing any specific prescription drug, pharmacy or other information on the site. GoodRx provides no warranty for any information. Please seek medical advice before starting, changing or terminating any medical treatment.
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