One of the physiological reasons:
If the patient has hereditary androgenic baldness, it will cause the hair follicles to be too sensitive to androgens, which will make the hair follicles gradually shrink, resulting in hair loss, and the condition of the individual will be more serious.
Second, pathological reasons:
1, malnutrition: if the patient is in excessive dieting and weight loss stage, due to insufficient intake of nutrients, hair lack of nutrient supply, which can lead to severe hair loss;
2, infection: fungal, bacterial and other infections can cause damage to the hair follicle and the formation of scar, and ultimately the formation of permanent hair loss, at this time, is generally more serious;
3, mental factors: if the patient is too sensitive to androgen, which will lead to the hair follicle gradually shrinking, individual situation will be more serious. The endocrine hormone is closely related to the patient who suffers from hypothyroidism or hyperthyroidism and other endocrine diseases, resulting in endocrine abnormalities, which can also lead to severe hair loss;
6, skin diseases: when the patient suffers from lupus erythematosus, hairy lichen planus and other diseases, there can be damage to the scalp, which can result in scarring alopecia, the degree of hair loss is more serious.
Third, other reasons:
If the patient long-term excessive perming, hair coloring, or the use of some of the shampoo containing irritating substances, will also damage and stimulate the scalp, resulting in severe hair loss phenomenon.
Additionally, unstable hormone levels, scalp trauma, and autoimmune diseases such as vitiligo and Hashimoto's thyroiditis can also lead to severe hair loss. It is recommended that patients go to a specialized hospital as soon as possible to avoid delaying the treatment of the condition.