Boys with more hair on one side and less on the other, may be related to seborrheic alopecia, may also be related to baldness and ringworm and other diseases.
1. Seborrheic Alopecia: It is a kind of hair loss due to the over-exuberant secretion level of androgen that leads to the miniaturization of hair follicles, also known as androgenic alopecia in clinical practice, which mainly manifests itself in the shifting of the hairline and thinning of the hair, and so on.
2. Patch baldness: due to excessive mental stress, prolonged late-night and genetic factors, a limited hair loss as the main feature of the disease, the symptoms will lead to hair loss on one side of the hair appears sparse.
3. ringworm: due to scalp infection, ringworm bacteria will cause stimulation of the hair follicles, hair shaft, resulting in local hair loss, breakage of the phenomenon, the number of hair loss is more, will appear to be a side of the hair scarcity.
Because of the many factors affecting the specific situation, you need to ask your doctor to analyze the situation according to other clinical manifestations and laboratory test results.