Dear sir, My father is 63 years old and is suffering from cellulitis for 3 days,left leg swelled out n pus is coming out.he is under medication of piptaz4.5,metrogyl 100ml twice a day.leg is covered with bandage,his S.creatine is 1.4-1.5.no diabetic,no BP. After 3 days injection it's slightly reduced.how long will it take to recover completely?.are we get more dose of antibiotics than this one on him due to S.creatine level? kindly help us.