The red spots on the inner thigh do not hurt or itch.

Thigh inside red dot does not ache not itch the reason has many, may be occurred allergy or is inflammation reaction caused, see more such as thrombocytopenia purpura, mainly is platelet abnormality caused, need to carry on blood routine test to diagnose; There are vasculitis caused by red dot, showing red dot will be more and more, but also cause some other symptoms, need timely examination treatment. Also may be unclean sex life caused by syphilis rose rash; Furthermore, eczema, urticaria, dermatitis and other causes of allergic reactions. once you find yourself showing symptoms of unexplained rash, it is recommended to go to a professional hospital for examination and treatment in time to prevent more serious harm to yourself.