Red lumps on the skin without pain and itchiness may be caused by nevus erythematosus, hemangioma, pityriasis rosea and so on.
1. nevus erythematosus: this disease may be related to nerves, blood vessels, cytokines, genes and other factors, which will lead to the patient’s skin appearing red lumps painless and itchy, the lesions are mainly manifested as light red, dark red or light blue patches of varying sizes, and with the growth of age the color deepens, the lesion thickens, and nodules are formed.
2. Hemangioma: due to the small-scale misconfiguration of the control gene segment, resulting in abnormal tissue differentiation in specific parts of the tissue, which may be related to the abnormal proliferation of blood vessels during the embryonic development period, resulting in red lumpy and painless phenomenon in the skin of the patient.
3. pityriasis rosea: pityriasis rosea is a common inflammatory skin disease, occurring on the trunk and limbs near the end of the size, number of rose-colored patches, on which there are furry scales. Patients may have no significant itching or accompanying itching. The disease may be related to viral infection, cellular immune response, mental factors, low immunity, drug factors and so on.
It is recommended that patients go to the hospital in a timely manner, under the guidance of the doctor, relevant examinations, according to the specific results of the examination, follow the doctor’s instructions to take targeted treatment.
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