Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
Many things can cause lightheadedness. The most common cause of lightheadedness is a sudden drop in blood pressure, often caused by sitting or standing up quickly from a prone position. Some other common causes of lightheadedness are anemia, hypoglycemia, and dehydration. You can find more information here: http://www.nlm.nih.gov/medlineplus/ency/…
