Splinter In Hand And Became Infective. Taking Antibiotics But Er

Splinter in hand and became infective. Taking antibiotics but er doctor said X-ray showed something on one X-ray but other did not. Urgent care X-rays showed small piece still in hand they tried to cut out before X-ray but could not find anything. Suppose to see hand doctor but I have no fever 98.2 but feel hot and then for a short time chills, still taking antibiotics