 [ Symptoms ] i have had a knee replaced twice and revised once in 17 months my sed rate is 50 should i be worried about infection i have alos been expering pain when i got my knee drained today the doc said it looked like there was blood in it and described it as cloudy should i be concerned [ Disease ] hi for your uti problem try this <link> or have a look on www earthclinic com in ailments under u if its the yi then have a good read of these <link> <link> <link> <link> <link> lots of help for the yi do hope these help you good luck