Low blood pressure or hypotension refers to a reading of blood pressure under 90/60mmHg. It results in insufficient blood flow and therefore poor delivery of oxygen and nutrients to the heart, brain, kidneys, and other organs of your body. It does not cause symptoms most of the time, but you may need treatment if it occurs frequently. You can increase your low blood pressure by taking and avoiding some foods and drinks. We are here with a list of the best and worst foods and drinks for low blood pressure patients.  Symptoms of low blood pressure Some people with low blood pressure have no symptoms. However, the general symptoms of low pressure include:  -dizziness or lightheadedness -nausea -fainting -dehydration and unusual thirst -blurred vision -fatigue -rapid, shallow breathing -cold, clammy, and pale skin -depression -lack of concentration. Read More: 14 Top Anti-aging Foods to Look Younger Causes of low blood pressure Low blood pressure can be short-term or long-term and it can be a result of the following causes: -aging -prolonged bed rest -certain medications -side-effects of high blood pressure medications -diabetes -pregnancy -heart problems -endocrine problems -severe infection -severe allergic reaction  -neurally mediated hypotension -nutritional deficiencies -diet -stress -vigorous exercise. Read More: Top Traditional Bangladeshi Foods You Must Try Best food and drinks for low blood pressure diet Raisins Raisins are great for reducing hypertension and successfully managing low blood pressure also. Just soak about 10-12 pieces of raisins in water the whole night and eat them in the morning on an empty stomach. Besides, you can take raisin-soaked water.