Should My Mother Switch To Rampril 5 Mg Capsules From Candesartan 16 Mg Tablets?

Hi..my mother is currently on Candesartan 16 mg tabs. Recently the docter has decided her to switch to rampril 5 mg caps. I am not sure as she is fine using Candesartan and so am a little concerned that she has been asked to change. My mother is 70 yrs old