Skin plaques, no pain, no itch may be allergic purpura, bright red nevus, pityriasis rosea. It can be treated with anti-allergy, laser therapy and anti-virus.
1. Anaphylactic purpura is a subcutaneous erythema due to rupture of peripheral blood vessels caused by allergens. Commonly used treatment is oral anti-allergic drugs and vascular softening drugs, anti-allergic drugs are loratadine, cetirizine, soften blood vessels can be used vitamin C and so on.
2. Nevus erythematosus is a kind of vascular nevus. Treatment is generally recommended to go to the hospital for laser treatment.
3. pityriasis rosea is a kind of inflammatory self-limiting skin disease, the cause of the disease is unknown, generally believed to have a relationship with viral infections, the treatment can comply with the doctor’s disease external mometasone furoate cream, oral anti-allergy drugs such as loratadine tablets, or under the guidance of the doctor oral antiviral drugs, such as acyclovir and so on.
Skin plaques without pain and itch may also be other reasons, it is recommended to go to the hospital dermatology department for further consultation, and follow the doctor’s instructions for medication.