Long red patches without itching or pain may be due to nevus erythematosus, psoriasis, pityriasis rosea and other factors, and can be relieved by physical therapy, immunotherapy, antiviral therapy and other ways.
1. nevus erythematosus: this is a common congenital malformation of capillary development, most of them are congenital, with age, nevus erythematosus lesions will gradually deepen and thicken, can cooperate with the doctor to choose the laser and other physical therapy to improve the local appearance.
2. Psoriasis: also known as psoriasis, may be due to genetic and environmental factors, resulting in patients with red plaques covered with silvery-white scales, you can choose immunotherapy, commonly used drugs, including methotrexate and so on.
3. pityriasis rosea: red patches on the body do not hurt, consider and pityriasis rosea does not matter, belongs to the self-limiting inflammatory skin diseases, can also cooperate with the doctor to choose acyclovir, ganciclovir and other antiviral drugs, so as to shorten the course of the disease.
If you have red patches on your body that do not itch or hurt, it is recommended that you consult a doctor in a timely manner and follow the doctor’s instructions for standardized treatment in order to reduce the adverse effects of the disease.
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