Dysphagia can be caused by iron deficiency syndrome, clinical performance on lower pigment anemia, dysphagia, angular cheilitis, tongue feel there is abnormal, such as nails were spoon.

• 缺铁还可引起吞咽困难综合征，临床上表现为低色素贫血、吞咽困难、口角炎、舌头有异常感觉、指甲呈匙形等。