This may be caused by changes in gastrointestinal function, and hypertension itself does not affect digestive function. There may be what Chinese medicine calls kidney deficiency.
Suggestion:
It can be taken orally with Baizhi Dihuang Pill or Shugan Jianwei Pill. Avoid overeating and eating salty food. Proper consumption of yam and Euryale ferox is helpful for improvement and dietotherapy.