Sore throat warning: if sore throat is severe, persists for more than 2 days, is accompanied by fever, headache, rash, swelling, nausea, or vomiting, consult a doctor promptly. Stop use and ask a doctor if - sore mouth symptoms do not improve in 7 days, irritation, pain or redness persists or worsens, swelling, rash or fever develops, cough lasts more than 7 days, comes back, or occurs with fever, or persistent headache. These could be signs of a serious condition. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a poison control center (1-800-222-1222) right away.