Small red dots on the stomach which are painless and itchy may be caused by vascular nevus, keratosis follicularis, allergic purpura and other factors, which can be relieved by medication and physical therapy.
1. Vascular nevus: it is caused by congenital dysplasia of blood vessels during embryonic period, and clinically manifests as a patch with light red color, irregular shape and different sizes. It can be treated by pulsed dye laser, frequency doubling YGA laser, etc., and vascular nevus excision can also be chosen for complete removal.
2. Follicular keratosis: It is a hereditary skin disease with abnormal follicular keratinization, clinically manifested as pinpoint to pea-sized, hard papules. Symptoms can be relieved by topical retinoic acid, salicylic acid ointment and other medications, and severe symptoms can be treated with oral isotretinoin, avitamin A and other medications.
3. Allergic purpura: It is an allergic disease of the small blood vessels of the whole body, clinically manifested as a purple-red papule above the skin surface, and does not fade when pressed. You need to actively search for the cause, avoid allergens, you can use prednisone, methylprednisolone and other drugs to temporarily control the symptoms.
Small red dots on the stomach painless and itchy should be timely to the hospital, improve the relevant examination to clarify the cause of the disease, under the guidance of the doctor symptomatic treatment, avoid unauthorized use of drugs or treatment.