Suggest Remedy For Itching On The Skin

Hi , I have skin itchiness for about 4 months and I used medicin for skin redness and itchiness but the problem won,t go away. The itchiness is very strong in my whole body specialy midsection only not on my face. My overall health is ok I just have a little bit high colestrol would you please tell me if this can be from my colestrol or what is it? thanks