If your child uses preventer medicine there is a small risk of them having a sore tongue or throat, hoarseness of the voice and a mouth infection called thrush.

• 如果让孩子使用预防类药物，有可能会引起舌头和喉咙酸痛，最终导致声音嘶哑或者口腔感染（又叫鹅口疮）。