My 80 yo mother was hospitalized for pancreatitis over Christmas. It was caused by a endoscopic ultrasound guided bx of a pancreatic cyst. The cyst appeared to be benign. She was treated with 3 GM of ampicillin IV every 8 hours for 2-3 days after she spiked a 101 temp. Since coming home her tongue and gums have turned sore and bright red. She had a fever of 101.6 on Thurs. Her tongue and gums are very slowly getting better (she is eating yogurt and taking probioticsbut she runs a low grade fever every morning and continues to have malaise and poor appetite but no pain. What could this be?