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Normally , with medication the blood pressure should be controlled.The choice of medication depends on if you are able to tolerate it , if your BP is controlled and if you have no side effects.You may approach another doctor for second opinion
, but it is advisable for you to visit your Doctor and check if you need another type of drug.You can take a Paracetamol
to relieve your headache temporarily.
Meanwhile you should also concentrating on if any specific cause for high BP
, check for cervical spondylitis
If you need any more information feel free to mail me.