I HAVE BEEN EXPERIENCING LOW BLOOD DIASTOLIC PRESSURE FOR A COUPLE OF WEEKS. wHEN I WENT TO THE DOCTOR, MY BLOOD PRESSURE WAS 134/76, A LITTLE HIGH, wHITE wASH sYNDROME, Since then My lowere number is in the 50 s, I am 58 years old, very active in Zumba and walking. Shall I be concerned. He up my dosage, but I am taking the lower dosage.