High blood pressure symptoms are related to the head.
At this stage, even if the blood pressure already goes back to the normal level after treatment, patient may still have the symptoms such as vertigo, heavy head, headache and insomnia, etc.
If the disease is not well controlled, high blood pressure will develop into very serious stage. The blood vessels of organs will seriously damaged. Patient will have acute headache, blur vision or even blind,angina,hemiplegia,asthma,etc.