diskytis and epideral ances

last year my daughter who was one years old suffered from the above. she got two month of intervininous antibiotics and than I was told that she is fine a.now she started again limping in the morning when she just wakes up.can discytis occurs for a second time does antibiotics do anything to this disease? Her blodcount is perfectly o.k.?shal I go back to hospital as soon as possible, or can it wait? I must say half ?