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A doctor or nurse will not usually make decisions about your treatment based only on readings you have taken at home. However, they may still find it useful to know what your blood pressure is like when you are away from the clinic.
Before you start to measure your blood pressure at home, talk to your doctor or nurse. They may be able to advise you on when to measure your blood pressure, or how often.
By agreeing when and how often to measure your blood pressure at home with your doctor or nurse means that you will both be clear about what you are doing, and why.
It can also be a good idea to bring your own monitor in to the clinic or surgery so that your doctor or nurse can be confident that it is accurate, and that you are using it properly.