What reason is the man hair loss serious?

summary

The life cycle of hair is a continuous alternating process of growth and dormancy. Generally, 85% of human hair is in the growth period, which can last for 2-4 years. Next, the hair will enter the dormancy period of 2-4 months, and when the dormancy period of hair is near the end, it will cause shedding, be replaced by new hair, and start a new growth period. Generally speaking, normal people lose 50-100 hairs a day, which belongs to normal hair metabolism and does not need to cause panic. And beyond the normal range of hair loss, hair loss is often caused by the following reasons.

What reason is the man hair loss serious?

Alopecia areata, commonly known as "ghost shaving", is a sudden round patchy hair loss. Alopecia areata lesions in the scalp normal, no inflammation and conscious symptoms, can be self remission and recurrence. Alopecia areata is related to immune disorder and sudden increase of mental stress.

The skin hair follicle is one of the target organs of androgen, and the scalp is the site of high androgen receptor density, which is easy to gather androgen. Because the disease can be inherited, male hair loss is the most common type of hair loss. Why do men lose their hair? The level of dihydrotestosterone in serum and scalp of male patients with hair loss is much higher than that of normal people. Under the long-term effect of dihydrotestosterone, the hair follicles of scalp, forehead and top gradually shrink and become smaller, the hair becomes soft, dry and lusterless, and the final color becomes lighter and the hair decreases.

Hair loss may be caused by severe infection or surgery within 1 to 3 months after high fever caused by pathology, surgery or disease or drugs; Abnormal thyroid function may also lead to hair loss; Suffering from some chronic diseases that can lead to hair loss; Some immune diseases, such as severe discoid lupus erythematosus on the scalp, can also cause hair loss; Mechanical pull, burns, chronic deep bacterial or fungal infections can also cause hair loss. In addition, some prescription drugs may cause some people to lose their hair. For example, chemotherapy will stop the growth of hair and cause it to fall off during the treatment. After the drug is stopped or the treatment is finished, the hair will grow again.

matters needing attention

In fact, for male friends, if they find that they have serious hair loss, they can go to the regular hospital for treatment, then they can be cured to a great extent.