thank you for your help guys.. i really appreciate it. thank you for taking your time to help my dad.. we already brought him to a dermatologist. they prescribed him with a moisturizer and a cleaning liquid. it only made his P's worst. i just want to find another medication for him. one that really works. i just want him to lead a good life. my dad is really old. he is 71 years old now. it really hurts when he starts crying at night bec. he can't sleep and his arms and legs are itchy. i really appreciate the help guys. thank you so much. pls. if you gather more info. dont forget about me.... pls let me know... may god always be with you and i'll pray for you and your family as well... thank you.