Vc非特异性抗过敏。B12老人往往吸收不好.B6见下：因为既往史不知道，所以仅供参考。

https://ods.od.nih.gov/factsheets/VitaminB6-Consumer/#:~:text=People%20who%20don't%20get,and%20a%20weak%20immune%20system.
 

 

People who don't get enough vitamin B6 can have a range of symptoms, including anemia, itchy rashes, scaly skin on the lips, cracks at the corners of the mouth, and a swollen tongue. Other symptoms of very low vitamin B6 levels include depression, confusion, and a weak immune system.