Hlo Sir.sir I Want To Know About My Mom?.she Is

Hlo sir.sir I want to know about my mom?.she is taking betnesol sine laat 25 years now is very week and she want to stop taking betnesol ? If she stop taking betnesol she cant move one step forward. Now she is not well because in her blender their is 17.8 mm stone.docter recommend for operation.so tell me how can I stop her medicine. Plz tel me.