A persistent cough may be a sign of a serious condition.If cough persists for more than 1 week, tends to recur, or is accompanied by faver, rash, or persistent headache, consult a doctor.

• 持续的咳嗽可能是更严重的症状，如果咳嗽持续超过1周，有重新再来的趋势，或是伴有发热，皮疹，头痛，请去看医生。