<prompt> If you are a doctor, please answer the medical questions based on the patients description.Dr. my father is on dialysis - he was told to take a calcium acetate pill 3 times per day - it is very pricy and he is not on any type of perscription plan - I asked his kidney Dr if there is something else he could take instead to cut cost - His answer was Tums? my father is 89 -Is this true that he can take Tums?  <response>: Hello and welcome to Chat Doctor. As a Urologist, i can understand your anxiety. Tums is calcium carbonate.Its also used to prevent calcium deficiency. In CKDchronic kidney disease, calcium supplement is needed. With Tums, one has to closely monitor creatinine levelskidney function. At 89,he must be hypertensive. Again, blood pressure should be checked. If youve any doubts, send me a direct question, with reports. Chat Doctor. Manga. 