Hello sir my mother passed through bypass surgery 5 years back and she is diabetes taking human mixtard mor n evg daily dosage n sugar is ok; n for high bp she ia taking metxl 50, amlong 5, sometimes telma20 also, bt since few days her bp is raising going 180 /100 I do not no what to do at that time I used to give her dytor 10 tablet please suggest me sir what to do it happens at night time ; in that situation what should I do.