Hi my dad had total hip replacement right side in may 2012 he had a large red mark on his hip 4 weeks later with antibiotics it went away a few weeks later same side he woke up with extremely sore big toe and his whole foot swelled up he was checked for a clot & lymphodema & cellulitis has been treated for cellulitis even though it is not a usual looking cellulitis 6weeks antibiotics and pain and swelling still there not as bad as before very painful in one spot the outer side of the foot near the little toe  could you please advise if you have any thoughts.  Thank you   Sue
Hai.this is  infection due to lymphatic obstruction.tat may be due to the residual infection.dont worry it will cum down,elevate the limb while at rest, u can apply thrombophobe topical ointment over the area