Hair diseases and hair loss are interrelated. You cannot think of one without the other.

Common causes of hair loss

No single factor can be singled out as the universal cause of hair diseases. There are several causes that vary from person to person.

The two types of hair loss diseases.

The causes of hair loss can be broadly divided into the following two groups:

The temporary effect and the long-acting one, usually caused by genetics.

a.) The temporary effect: usually, these cases can be cured with medicines and treatments.

b.) Prolonged hair loss diseases: These cases may require long-term treatment. Sometimes drug treatment may seem ineffective. In such circumstances, surgery like hair transplantation may be the way to go.

Causes of temporary hair loss include childbirth, use of birth control pills, etc.

Another key factor may be hormonal imbalance. It can have a severe impact by causing pattern baldness. The latter enters the list of the main hair diseases.

Relationship between hair diseases and hair loss

Sometimes a particular cause of hair loss is found to be more commonly related to a particular hair disease. In this context reference can be made to acquired defects of the hair shaft. These blemishes are often triggered by overuse of hair treatments and styling products.

Similarly, infectious diseases have their roots in unhygienic scalps.

Common causes of hair loss diseases –

Common causes of hair loss diseases include the following:

or hormonal imbalance


o Defective hairstyle

or inadequate diet

hormonal imbalance

In men – Hormonal imbalance is one of the main causes of>hair loss diseases among men. The male hormone testosterone plays a key role in triggering hair loss. The 5 alpha reductase enzyme in hair follicles converts testosterone to dihydrotestosterone (DHT). The latter is the most potent androgen that promotes male pattern baldness, the common hair loss disease.

In women: Thyroid hormone imbalance is a key cause of sudden hair loss among women. The state of the overactive and underactive thyroid gland can cause hair loss. Thyroid hormones greatly influence the cellular metabolism of proteins, carbohydrates, lipids, and minerals in the scalp. And the cells of the hair matrix are greatly affected by excess or deficiency of thyroid hormones.

Hormonal imbalance also causes hair loss during pregnancy. Pregnancy witnesses a high level of estrogen hormones. This causes the percentage of hair follicles to be in the anagen growth phase. But after childbirth there is a rapid drop in the estrogen level. Consequently, a large number of hair follicles go into a catagen phase. And little by little the hair falls out.

Women can also experience hair loss during the post-pregnancy period. It is generally temporary. But if it continues for months, it can indicate a hormonal imbalance in the body. And hormonal imbalance for a long period requires proper treatment.


Some of the serous ailments like high fever, severe infection or flu can put the hair follicles into a resting phase. This condition called telogen effluvium results in increased hair loss. But it is a temporary condition that will soon follow normalcy.

Some cancer treatments also prevent the growth of the hair fiber. Hair thins and breaks. And gradually hair loss occurs. The condition begins within one to three weeks after the start of chemotherapy treatment. The treatment can cause patients to lose up to 90 percent of the hair on their scalp.

flawed hairstyle

It means using certain hair styling techniques that result in hair loss diseases like traction alopecia. In this condition, the hair fibers are extracted from the hair follicle by combing that pulls the roots of the hair fibers. An example of this type of flawed hairstyle is braiding or braiding. Cosmetic treatments like bleaching, coloring, or hair straightening like chemical straightening can also create problems if the proper procedure is not followed.

inadequate diet

The adoption of strict diets to lose weight quickly can cause hair loss. These diets are low in protein, vitamins, and minerals, leading to malnutrition.

Abnormal eating habits that are lacking in important nutrients can also lead to hair loss.

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