What causes alopecia?

Although the rate at which people lose their hair varies from person to person, certain people are more prone to suffer from localised hair loss. Individuals who are impacted experience severe losses, and even if their hair grows back, there is a chance that it could fall out again in the future. According to a research that was published not too long ago, alopecia affects around 147 million people all over the world. While alopecia most often appears as a limited number of patches on the scalp, the condition has the potential to develop over a considerably broader region of the head. Alopecia can strike anyone at any moment, but individuals who have a history of the condition running in their family may be at a greater risk of developing alopecia themselves. Alopecia is more prevalent in families in which another member suffers from an autoimmune illness such as diabetes, lupus, or thyroiditis.

Types of Alopecia Areata

Alopecia is classified into numerous categories, each with its own set of causes and symptoms. Here are the many types of alopecia and how they affect hair growth.

  1. Androgenetic Alopecia

Androgenetic alopecia is a kind of hair loss that affects both men and women. It is also known as male or female pattern baldness. A mix of hereditary and hormonal factors contribute to this illness. Androgenetic alopecia typically begins with a receding hairline and crown thinning in men, but it frequently causes general hair thinning in women.

  1. Alopecia Areata

Alopecia areata is a form of hair loss caused by an autoimmune condition that manifests as small, circular patches of baldness on the scalp or elsewhere on the body. This condition arises when the immune system mistakenly assaults healthy hair follicles, which results in the hair follicles becoming smaller and the production of hair being more sluggish. Alopecia areata can strike a person at any age, and it is equally likely to affect women and men. In some instances, the hair may begin to regrow on its own, but in others, the loss of hair may be irreversible.

  1. Telogen Effluvium

Telogen effluvium is a form of hair loss that happens when a stressful event forces hair follicles to enter the resting phase of the hair growth cycle prematurely. This can lead to thinning or loss of hair. This causes clumps of hair to be shed all at once rather than falling out in individual strands. Telogen effluvium can be brought on by a variety of factors, including emotional or physical stress, hormonal shifts, the side effects of medicine, or dietary inadequacies. In the vast majority of instances, the hair loss is only temporary, and if the underlying problem is treated, new hair will grow in its place.

  1. Traction Alopecia

Traction alopecia is a form of hair loss that happens when the hair is pulled too tightly, causing damage to the hair follicles. This can happen when the hair is pulled back into a ponytail or braid. This disorder is frequently brought on by the usage of hairstyles that subject the hair to tension, such as braids, weaves, or ponytails that are pulled very tightly. By avoiding hairstyles that pull the hair back into a tight ponytail or bun and practising gentle hair care, traction alopecia can be avoided.

  1. Scarring Alopecia

Scarring alopecia, often referred to as cicatricial alopecia, is an extremely uncommon form of alopecia that occurs as a consequence of inflammation or injury to the hair follicles. As a result of this disorder, you may experience irreversible hair loss since the hair follicles are replaced by scar tissue. Scarring alopecia can be brought on by a number of different things, such as autoimmune illnesses, infections, or even trauma to the scalp.

  1. Anagen Effluvium

Anagen effluvium is a kind of hair loss in which hair follicles stop creating new hair during the growth phase. Chemotherapy or radiation therapy, which can destroy the rapidly dividing cells in the hair follicles, are frequently responsible for this disorder. Anagen effluvium typically causes extensive hair loss, however hair may regrow after treatment is completed.

causes alopecia

Different Causes of Alopecia?

There are different types of alopecia, and the causes of each type can vary widely. In this article, we will explore the different causes of alopecia and how they affect hair growth.

  1. Genetic Causes of Alopecia

Genetics is one of the most common factors that might lead to alopecia. Some people’s genes make them more likely to have hair loss than others, and the condition is known to run in families. Androgenetic alopecia, commonly known as male or female pattern baldness, is a prevalent form of hair loss that is frequently inherited. This type of hair loss can affect either gender. This affliction, which is shared equally between males and females, is brought on by a confluence of hereditary and hormonal elements and is the source of both.

  1. Autoimmune Causes of Alopecia

Autoimmune illness is another common factor in the development of alopecia. With autoimmune illnesses, the immune system of the body targets healthy tissues, including the hair follicles, thinking that they are foreign invaders. Alopecia areata is a kind of hair loss that happens when the immune system destroys hair follicles, causing hair to fall out in small patches around the scalp. This condition is also known as alopecia areata. This ailment may be short-term or it may be long-term; either way, it can strike anyone of any age.

  1. Infection-Related Causes of Alopecia

Alopecia can also be caused by some infectious diseases. Infections of the scalp caused by fungi, such as ringworm or jock itch, have been linked to hair loss. In some situations, bacterial infections can also cause hair loss. This is especially true if the infection directly affects the hair follicles.

  1. Medical Causes of Alopecia

Alopecia can also be caused by a number of medical disorders. Hair loss can be caused by thyroid problems such as hypothyroidism or hyperthyroidism. Other hormonal abnormalities, such as those seen during pregnancy or menopause, might also result in temporary hair loss. Also, as a side effect of certain treatments, such as chemotherapy drugs or blood thinners, hair loss can occur.

  1. Traumatic Causes of Alopecia

Hair loss can also be caused by physical trauma. Tight hairstyles, such as braids, weaves, or cornrows, can cause traction alopecia, which happens when hair is pushed excessively tightly and damages the hair follicles. Chemical treatments, such as hair dyeing or straightening, can potentially cause hair loss by damaging the hair follicles.

  1. Stress-Related Causes of Alopecia

Stress is another element that might contribute to hair loss. Telogen effluvium is a form of hair loss caused by a stressful event that forces hair follicles to enter the resting phase prematurely. This causes a big amount of hair to fall out at once. Emotional stressors, such as the loss of a loved one or a traumatic divorce, can also trigger stress-related hair loss.

  1. Nutritional Causes of Alopecia

Last but not least, a lack of essential nutrients can also contribute to hair loss. A diet that is deficient in particular vitamins and minerals, such as iron, zinc, or biotin, can cause hair to become fragile and brittle, which can ultimately lead to hair loss and breaking.


Alopecia can have a wide range of causes, from genetics to autoimmune disorders to physical trauma. Understanding the underlying cause of hair loss is essential in determining the best course of treatment. If you are experiencing hair loss, it is important to talk to your doctor to determine the cause and develop an appropriate treatment plan. In many cases, hair loss can be successfully treated or managed with a combination of medical treatments, lifestyle changes, and healthy hair care practices

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