Beriberi can lead to some serious complications if this disease is not treated properly. It is considered as life-threatening in most of the cases. It can be prevented if it is treated in a relevant manner. The symptoms may get worse if the treatment is not performed at the early stage of this disease. If one thinks that he/she is suffering from beriberi then he/she should consult a doctor to decrease the risk of this disease. There are some major complications of beriberi such as losing mobility, failure of heart, chronic pain, psychotic phase, etc.