What is cause of lightheadedness?

Lightheadedness is a sensation of near-fainting or dizziness. It is often caused by a temporary drop in blood pressure, which can be caused by a number of factors, including:

* Dehydration: Not drinking enough fluids can lead to dehydration, which can cause a drop in blood pressure and lightheadedness.

* Anemia: Anemia is a condition in which the blood does not have enough healthy red blood cells to carry oxygen to the body's tissues. This can cause a drop in blood pressure and lightheadedness.

* Hypoglycemia: Hypoglycemia is a condition in which the blood sugar level drops too low. This can cause a drop in blood pressure and lightheadedness.

* Certain medications: Some medications, such as blood pressure medications and antidepressants, can cause lightheadedness as a side effect.

* Heart problems: Some heart problems, such as arrhythmias and heart valve problems, can cause a drop in blood pressure and lightheadedness.

* Neurological problems: Some neurological problems, such as strokes and brain tumors, can cause lightheadedness.

If you experience lightheadedness, it is important to see a doctor to rule out any serious underlying medical conditions.

In the meantime, there are a few things you can do to help relieve lightheadedness:

* Drink plenty of fluids, especially water.

* Eat a healthy diet that includes plenty of fruits, vegetables, and whole grains.

* Avoid alcohol and caffeine.

* Get regular exercise.

* Take breaks throughout the day, especially if you are standing for long periods of time.

* If you feel lightheaded, lie down with your feet elevated.