What causes alopecia?

Author: Dr. Collin Franecki DVM  |  Last update: Friday, June 23, 2023

Hair loss (alopecia) can affect just your scalp or your entire body, and it can be temporary or permanent. It can be the result of heredity, hormonal changes, medical conditions or a normal part of aging. Anyone can lose hair on their head, but it's more common in men.

What triggers alopecia?

Causes of Alopecia Areata

In alopecia areata, the immune system mistakenly attacks hair follicles, causing inflammation. Researchers do not fully understand what causes the immune attack on hair follicles, but they believe that both genetic and environmental (non-genetic) factors play a role.

What causes alopecia in females?

Female-pattern baldness is a pattern of hair loss (alopecia) caused by hormones, aging and genetics. Unlike male-pattern baldness, female-pattern baldness is an over-all thinning which maintains the normal hairline.

Is alopecia only caused by stress?

A variety of factors are thought to cause alopecia areata (al-o-PEE-she-uh ar-e-A-tuh), possibly including severe stress. With alopecia areata, the body's immune system attacks the hair follicles — causing hair loss.

Can alopecia be cured?

Alopecia areata cannot be cured; however, it can be treated and the hair can grow back. In many cases, alopecia is treated with drugs that are used for other conditions. Treatment options for alopecia areata include: Corticosteroids: anti-inflammatory drugs that are prescribed for autoimmune diseases.

What causes alopecia?

Where does alopecia usually start?

The first sign of alopecia areata is often a round or oval bald patch on the scalp.

What is the fastest way to cure alopecia?

There is currently no cure for alopecia areata, although there are some forms of treatment that can be suggested by doctors to help hair re-grow more quickly. The most common form of alopecia areata treatment is the use of corticosteroids, powerful anti-inflammatory drugs that can suppress the immune system.

What vitamins help alopecia?

Alopecia areata (AA) occurs when the immune system attacks the hair follicle. Studies have shown a relationship between AA and low vitamin D levels. Vitamin D should be supplemented if levels are low. However, more studies are needed to determine the effect of iron and zinc supplementation on AA patients.

What shampoo is good for alopecia?

Ketoconazole shampoos help treat Alopecia by cleaning the skin area around your hair follicle of sebum, or the skins natural oils that are produced. Getting rid of these oils can allow your hair follicles to receive more nutrition and release for your hair to regrow.

What are the three stages of alopecia?

Everyone is born with hundreds of thousands of hair on the head. The hair cycle consists of three phases: the growth phase, which is called anagen, the resting phase, which is called catagen, and the shedding phase, which is the telogen phase.

What are the 3 types of alopecia?

Most people know alopecia to be a form of hair loss. However, what they don't always know is that there are three main types of the condition – alopecia areata, alopecia totalis and alopecia universalis.

How do you stop alopecia from spreading?

Ways to Stop Alopecia Areata from Spreading or Worsening

Avoiding unnecessary hair or scalp trauma, reducing stress and analyzing your diet are all worthwhile endeavors when attempting to prevent alopecia areata from spreading.

How long does alopecia usually last?

How Long does Hair Loss Last? In half of patients with alopecia areata, individual episodes of hair loss last less than one year, and hair grows back without treatment. These patients may experience recurrent episodes of hair loss that spontaneously regrow or respond quickly to treatments.

Is alopecia very serious?

Alopecia areata isn't usually a serious medical condition, but it can cause a lot of anxiety and sadness. Support groups are out there to help you deal with the psychological effects of the condition. If you lose all your hair, it could grow back.

What helps alopecia grow back?

Prescription-strength corticosteroids in liquid form can be applied directly to the scalp. This is often an effective treatment for children affected by alopecia areata. Corticosteroid injections into areas of patchy hair loss on the scalp may help revive hair growth within several weeks in people with alopecia areata.

Does alopecia happen suddenly?

Alopecia occurs for many different reasons and presents in various ways. It can occur suddenly or develop gradually over time. Sudden-onset causes include illness, diet, medications, and childbirth. Alopecia that has a gradual onset more likely has a genetic component.

Can you randomly get alopecia?

The hair loss associated with alopecia areata is unpredictable, and as far as doctors and researchers can tell, it appears to be spontaneous . The hair may grow back at any time and then may fall out again. The extent of hair loss and regrowth varies greatly from person to person.

Does lack of sleep cause hair loss?

The human body produces the hormone melatonin. This hormone has been confirmed by researchers to regulate the sleep cycle and increase hair growth. While sleep has a direct impact on the human body's natural hormones, it means that poor sleep reduces the amount of melatonin, potentially cause hair loss.

What age does alopecia start?

When does alopecia areata begin? You can get alopecia areata at any age; however, most people develop it by 30 years of age. For many, the disease begins during childhood or the teenage years.

What viruses cause alopecia?

Alopecia areata is sometimes triggered by viral infections such as influenza that causes excess production of interferons (IFN). IFN- γ is one of the key factors that lead to the collapse of immune privilege.

Who gets alopecia the most?

Alopecia areata is more common among African Americans but less common among Asians, compared with whites, according to a new study involving registry data for more than 11,000 individuals.

Does vitamin D help alopecia areata?

Calcipotriol, a vitamin D analog, has been reported to be topically used in treating alopecia areata with promising results. Combination therapy of vitamin D analogs with corticosteroids might also be used in treating alopecia areata.

What foods to avoid if you have alopecia?

On the AIP elimination diet, you will avoid grains, legumes, nightshades (such as potatoes and peppers), dairy, eggs, coffee, alcohol, sugar, oil and food additives. After a few months, you can work the excluded foods back in one at a time to figure out which foods trigger an inflammatory reaction.

What is the best home remedy for alopecia?

Rosemary oil

Rosemary oil has been found to stimulate new hair growth and can even be used to treat androgenetic alopecia. Mix a few drops of rosemary oil into a carrier oil, like argan oil or jojoba oil, and massage it into your hair and scalp before rinsing. You can do this a few times per week.

Does Vicks Vapor Rub help with alopecia?

“It's all to do with the menthol and eucalyptus which can be found in Vicks,” she says. “These ingredients won't cause hair that has been lost to traction alopecia or female pattern hair loss to regrow, but they may help existing hair to grow in length although we wouldn't recommend putting Vicks onto scalps.

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