Suggest Treatment For Cellulitis In Elderly Patient

my father is 86 yrs old he has developed Cellulitis. He has Varicous veins he has taken Scailo treatment for his Vascular problem 2 years backand there is no bleeding.. He is taking some Homyopaty medicin and we are applying some creams recomended by Skin doctor mainly Vetimin C ointments. At 86 he is very week and the pain is not allowing him to have a sound sleep. At night it gets unbereble so he takes Combiflam tablet.