What can i do to relieve stomach cramps during hemo dialysis?

Cut the gains: Abdominal cramps on hemodialysis occurs because fluid removal. If extra fluid gains are not removed, you will have shortness of breath and bloating enough to be life threatening. The only way out is that u drink less to gain less so removal of fluids will be less and more tolerable. The way to control liquid intake is to cut salt i.e. No cured meat, salami, pickles, etc, so u don't get thirsty!

Cramps during HD: Do not gain more than 3 liters or kg between sessions; know calcium and potassium levels; if these drop too low with HD, cramping occurs; also, know bicarbonate (sodium bicarbonate) setting on machine for you - too high can induce cramping; talk to nephrologist and dietitian; and avoid constipation.