Protection: Drinking frequently can help protect against salivary stones.

　　保护措施：常喝水能帮助防止唾液腺结石。

　　Small to medium-size stones can be dissolved with drugs. Large stones need to be removed because they can cause infections and blockages of your digestive tract, explains Dr Emmanuel.

　　医生艾曼纽解释说：小到中型结石可以用药物溶解；大结石必须清除，因为它们可能导致你的消化道阻塞和感染。