- When to See the Doctor
What is alopecia areata?
Alopecia areata is a condition that occurs when your child's immune system attacks the hair follicles, causing hair loss. Your child will have patchy hair loss that may occur anywhere on the body where hair grows. Alopecia areata can be difficult for children because the symptoms can be very noticeable.
About half of children who experience alopecia areata will have episodes that last less than a year, and the hair will regrow without any treatment. Even in these cases, however, most children will have recurrent episodes throughout their lives. Other children may have cases that involve more extensive hair loss that may not respond well to treatment.
Signs of alopecia areata
Causes of alopecia areata
With alopecia areata, your child's immune system attacks the hair follicles. It is an autoimmune disease, which is a disease where the immune system attacks part of the body.
Genetic factors may play a role in alopecia areata. If you or someone in your family has alopecia areata, it is more likely that your child may have it.
Children with the following conditions are at higher risk for developing some form of alopecia areata:
Types of alopecia areata
Alopecia areata in kids presents in several different ways including:
Alopecia areata (patchy)
This is the most common form of alopecia areata and includes one or more coin-sized round or oval patches of hair loss. It can be on the scalp or any area of the body where hair grows. If your child has this type, it may go into a more extensive type of alopecia or it may stay patchy. There is no way to tell whether it will spread or not.
Persistent patchy alopecia areata
In persistent patchy alopecia areata, hair loss continues to be patchy for a long time without ever becoming more extensive.
With alopecia totalis, your child may lose hair over the entire scalp.
Alopecia universalis results in total hair loss, including on your child's scalp, face, and body.
Diffuse alopecia areata
Diffuse alopecia areata can be confused with other types of hair loss. A key characteristic is the sudden thinning of the hair on the scalp.
This type of alopecia is present when there is hair loss in the shape of a wave in a band around the sides and lower back of the scalp. This type can be resistant to medications.
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When to see your doctor for alopecia areata
If your child shows any signs of hair loss, it's important to take them to see the pediatrician. Children under five are unlikely to be bothered by the signs of alopecia areata, but older children may be.
In many cases of alopecia areata, your child's hair will regrow on its own within a year with no treatment. However, there are many treatment options available if the hair loss bothers your child.
Diagnosing alopecia areata
In most cases, your child's doctor will probably be able to diagnose alopecia areata by examining their hair and nails. There are also blood tests to check for immune function. In some cases, a biopsy of your child's scalp at the point of hair loss may confirm the diagnosis.
Treatment for alopecia areata
There is no cure for alopecia areata, but there are several treatments that may be effective. The treatment will depend on your child's age and the amount and location of the hair loss. You may need to try several treatments to find one that works for your child.
For children under 10
Children 10 and over
For limited, patchy alopecia areata, the most effective initial therapy may be injecting corticosteroids directly into the areas of hair loss to suppress the immune system attacks. You will need to do this every four to six weeks.
Other options include high-dose topical corticosteroids, oral corticosteroids, and immunotherapy. Your doctor may recommend minoxidil along with other treatments to help with hair regrowth.
There are other medications, such as anthralin and methotrexate, that your child's doctor may prescribe if other treatments aren't working.
Since the hair will often grow back within 12 months even without treatment, you might choose not to treat your child's alopecia areata.
You can style your child's hair differently to cover the hair loss or use a wig or hairpiece. For older children who have lost eyelashes or eyebrows, cosmetic treatments such as makeup and false eyelashes may help disguise hair loss until it regrows.
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American Academy of Dermatology Association: "HAIR LOSS TYPES: ALOPECIA AREATA OVERVIEW."
Anais Brasileiros de Dermatologia: "Efficacy and safety of methotrexate in alopecia areata."
Harvard Health Publishing: "Alopecia Areata."
National Alopecia Areata Foundation: "What you need to know about alopecia areata during childhood."
National Alopecia Areata Foundation: "What you need to know about alopecia areata."
National Alopecia Areata Foundation: "What you need to know about the different types of alopecia areata."
Nationwide Children's: "Alopecia Areata."
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