Low blood pressure can make you feel dizzy, weak, tired or lightheaded, especially when standing up quickly. In many cases, simple dietary changes can help manage symptoms along with medical care if needed. As a vegetarian, focus on foods that help maintain fluid levels, improve circulation, and provide enough salt and nutrients. Drink plenty of water throughout the day to prevent dehydration. You can also include oral rehydration solution occasionally if advised by a doctor. Foods like bananas, dates, raisins, and oranges can help, as they provide natural sugars and minerals. Beetroot and spinach may support healthy blood flow. Include protein-rich foods such as lentils, chickpeas, kidney beans, soy products, nuts and seeds to maintain strength and energy. Dairy products such as milk, curd, and buttermilk can also be useful. Slightly salty foods may help raise blood pressure, but avoid excess salt unless your doctor recommends it. Eat small, frequent meals rather than long gaps between meals. If symptoms are frequent or severe, consult a doctor to rule out any underlying causes.