zhòng dú / shí / kě néng / chū xiàn / kǒu tǔ bái mò / de / zhèng zhuàng / xū yào / jí shí / jiù yī中毒时可能出现口吐白沫的症状,需要及时就医。Symptoms such as foaming at the mouth may occur during poisoning and require prompt medical attention.