Dizziness when getting up and lying down may be caused by otolithiasis, postural hypotension, anemia and other reasons.
1. Otolithiasis: If you suffer from otolithiasis, it is easy to induce transient dizziness when your head moves to a certain position, accompanied by nystagmus, nausea, vomiting, etc., which will easily cause dizziness when you get up and lie down.
2. Postural hypotension: Due to the change of body position, the blood flow back to the heart is reduced, thus affecting the blood supply from the heart to the brain, and dizziness and lightheadedness when getting up and lying down will also occur.
3. Anemia: Iron deficiency due to malnutrition, or insufficient red blood cell production in the body and other factors lead to a decrease in peripheral blood erythrocytes, carrying insufficient oxygen, which is lower than the normal value is prone to dizziness and lightheadedness when getting up and lying down.
If the symptoms occur frequently, it is recommended to consult a doctor in time.