Hello, Thanks for writing to Health Care Magic, I am Dr Asad Riaz, I have closely read your question and I understand your concerns, I will hereby guide you regarding your health related problem. HIgh bp is major risk factor for major dseases like IHD,stroke,..HTN can be due to many reasond but most of time it is due to idiopathic tht there is no cause n called essential hypertemsion..some causes can be renal,metabolic,endocrine etc....ideally in high bp pt need bp chrtng twice daily for atelast 5 days n then consider that it is high bp..in high bp 1st need to do life style modification include take low fatty diet n low salt diet with dec weigt n inc exercise n monitor bp for upto 6 month n still inc bp then need to to be put on med n then need monitor bp stil to adjust dose...it is done for pt who are recently dx...as ur mother is already knwn pt of HTN n havng high bp need to optimise dose n still have high readings then add on tx need to be consider n if there underlyng factor that increasing bp may need to eliminate too...in old pt vesel become thick n hard n lead to inc bp while in young it dilate/constrict accodrngly n maintain bp... I hope this answered your question, if you have more feel free to ask. Regards. Dr.Asad Riaz. General and Family Physician.