What causes severe hair loss?
Disease description:
I've been experiencing severe hair loss recently; every time I wash or comb my hair, a lot of hair falls out. My hairline has noticeably receded. Please help me figure out what's going on.
Doctor's answer (1)
Dr. Liu Wenmin
Severe hair loss may be caused by multiple factors. Malnutrition is an important contributing factor, as long-term picky eating or food bias leads to insufficient nutrient intake, affecting the normal growth of hair.
Androgenetic alopecia is the most common type, related to genetic factors and the effects of androgens, manifesting as hairline recession at the temples or thinning on the crown. Alopecia areata may be associated with abnormal immune system attacks on hair follicles. Malnutrition, especially deficiencies in protein, iron, zinc, and vitamin D, can also lead to hair thinning.
Seborrheic dermatitis, a common inflammatory skin condition, may also cause hair loss. Folliculitis, an inflammatory reaction of the hair follicles, can similarly trigger hair loss. Genetic factors, systemic diseases such as lupus erythematosus, and unhealthy lifestyle habits, such as irregular sleep patterns and excessive mental stress, are also possible causes of significant hair loss. Environmental factors, such as ultraviolet radiation, pollution, and stress, should not be overlooked either.
When facing hair loss issues, it is important to consider all the aforementioned factors comprehensively. If necessary, seek timely medical attention at a hospital and consult a dermatologist for professional diagnosis and treatment.
