When we are searching about blood pressures, we are likely to see the ways on how to decrease BP because of hypertension. It can be done naturally or pharmacologically. But we must also consider people who have low BP.
Here are some ways on how to raise low blood pressure. You can try lying down in trendelenburg positon. you lie in the bed and raise the level of your feet. In that way, there will be an increase in the return of blood flow in your heart increasing your blood pressure.
Having a low blood pressure decreases the level of oxygen in your organs and most importantly the brain.
This can cause headache and even worst you will faint. Another way is you must always stay hydrated. Too much exercise, or diarrhea, and even vomiting causes a decrease in your BP. Drink a lot of liquids to raise your BP. There are more information in the internet to increase your BP.