Not getting enough oxygen to your brain because your heart isn’t functioning properly can make you feel dizzy when you bend over. Standing up quickly can also make you dizzy if your blood pressure is low. You can feel dizzy when bending over if your blood pressure is low and not pumping enough blood to your brain. If you’re taking diabetes medications, an increase in your dose can make you more likely to become dizzy. If you have diabetes, it’s especially important to keep your blood sugar stable. Not eating, or not eating enough, can make you feel woozy when you bend your head down. It can be helpful to follow some guidelines for how much water you should drink. If you’ve been out in the sun or exercising without drinking enough water, dehydration could be causing you to feel dizzy when you bend over or move your head quickly. Here are some possible causes for getting dizzy when you bend over: 1. The causes of dizziness when you bend over range from simple (low blood sugar) to more serious (heart problems). Women are more likely than men to experience dizziness. About 30 percent of people over 60 experience dizziness or vertigo, the sensation that things are spinning around you. As you get older, dizziness becomes more likely. Dizziness is one of the most common medical complaints.
