hello, my 19 year old son blood pressure last Friday is 150/100 and our doctor gave him catapress 75 then his bp goes down to 120/80 the doctor gave him also catopril 6,25 every evening and ask to monitor my son's bp, his bp are saturday 120/80, sunday 120/90, monday 120/80, teusday 130/80 and wednesday 120/70, my son is also overweight. do i have to worry about my sons health?