Red spots on the knee without pain or itching may be caused by allergic purpura, thrombocytopenic purpura and other diseases, which should be treated with general therapy and medication.
1. Anaphylactic purpura: red spots on the knee without pain or itching may be caused by anaphylactic purpura, which requires avoidance of foods and drugs that may cause sensitization. This disease is self-limiting, need to pay attention to rest, local use of topical glucocorticoid drugs such as mometasone furoate gel. In severe cases, systemic glucocorticoid therapy is needed.
2. Thrombocytopenic purpura: If you suffer from thrombocytopenic purpura, it can also lead to red spots on the knees that don’t hurt or itch, in addition to bleeding gums and nosebleeds. After diagnosis, it is necessary to use glucocorticoid drugs, such as methylprednisolone, etc., and can be combined with immunoglobulin and other drugs.
For those who have red spots on the knee that do not hurt or itch, they should consult a doctor for examination, and follow the doctor’s instructions to use medication after confirmation of the diagnosis.