should be treated for the underlying causes like cardiac disease, renal disease
, or any vascular disease
, hypertension should be classified under a certain category, for that only her primary physician can identify the class under which her hypertension may be classified.
The medication you specified does not include any anti-diuretics, which is very important factor because we need to decrease the volume in the vascular system.
So the ideal thing you need to do is to admit your mom in a hospital.