有些教师常为嗓音嘶哑影响教学而感到十分烦恼。引起嗓音嘶哑的原因颇为复杂,既可能是全身性疾病引起的一种症状,也可能是局部病变的一种反应,还可能是吸入有刺激性的粉尘、有害气体或吃了刺激性的食物所致。然而,近几年来发现,服用某些药物以后,竟也会引起噪音障碍,乃至嘶哑,其品 Some teachers are often annoyed by hoarseness in teaching. The cause of a hoarse voice is quite complicated, either as a symptom of a systemic disease or as a reaction to a localized lesion, or as irritating dust, noxious gases or eating stimulating food Due. However, it has been found in recent years that after taking certain drugs, it may actually cause noise disturbance and even hoarseness.