Your readings show that the diastolic (lower number) is quite high, which needs attention. Reduce salt intake, avoid stress, get proper sleep, and take your prescribed BP medicines regularly without missing doses. Since it has remained high for 3 days, please consult your doctor soon; your medication dose may need adjustment.

A blood pressure reading of 150/100 is higher than normal and needs proper medical attention. Lifestyle measures such as reducing salt intake, maintaining a healthy weight, regular physical activity, and managing stress can help control it. However, medicines may also be required to keep blood pressure within a safe range. Consult a doctor to check your condition and recommend suitable treatment.