 [ Symptoms ] can shingles rash spread  diagnosed as having shingles i have had a rashblisters on left arm been on antibiotics for 7 days two days ago my right leg near my knee started burning itching and sure enough today i have a swollen hot rash and my leg hurts a lot any thoughts [ Disease ] you need to know the reason for your knee effusion is it arthritis bursitis meniscal injury treating effusion without treating the reason for it is pointless alternative to effusion aspiration there is always elevation lympatic drainage massage and electrical stimulation + strengthning of quadriceps muscle good luck