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Why You Get Dizzy After Bariatric Surgery

Why You Get Dizzy After Bariatric Surgery


Your doctor will inform you about certain temporary changes in your body after bariatric surgery. It takes some time to adjust to the alterations in your digestive system, explaining why you will likely experience dizziness after bariatric surgery. Take a look at the reasons behind this and ways to manage it.


Patients are advised to increase their daily water intake and make other dietary changes. Otherwise, blood flow to the brain and blood pressure may drop, making you feel lightheaded. The more fluids you take in, the more your sugar levels stabilize. For best results, consider drinking 48–64 ounces daily.

Blood Pressure Drops

Low blood pressure is quite common in patients post-surgery, especially when they stand or sit up too quickly. Also called positional vertigo, it occurs when not enough blood flows through the organs. To prevent this, ensure that you ingest more fluids and go for regular blood pressure checks.

Blood Sugar Drops

One more cause of dizziness after weight loss surgery is reduced absorption of glucose. Considering that the procedure alters digestion and limits food intake, including sugar, insufficient glucose is expected. This is a leading cause of feeling dizzy, and to combat this, it is advisable to eat small portions of food consistently throughout the day.

Vitamin Deficiency

Due to changes in the digestive system, it is normal for the body to have issues digesting vital nutrients. Vitamin and iron deficiencies occur in most patients, and the aftermath is problems like shortness of breath, fatigue, and lightheadedness. You should eat more protein-rich meals and consult with your doctor on the best supplements to take.

Side Effects of Medication

There are various medications prescribed to patients after weight-loss surgery to help with healing. However, some have a fair share of side effects depending on the individual’s body. You might experience headaches, increased heart rate, fatigue, and dizziness.


Although slim, there is a chance that a patient may experience leaks along the staple lines after surgery. This complication leads to severe abdominal pain, increased heart rate, fatigue, shortness of breath, and dizziness. If you are in excruciating pain, it is crucial to seek urgent medical attention because you may be suffering from anastomosis.

Seek Professional Medical Attention

Feeling lightheaded after gastric sleeve or any other weight-loss surgery happens to most patients. This is a temporary way for the body to adjust to the changes in your digestive system. However, if the symptoms persist, it is best to consult with experts in bariatric surgery in New York from Lenox Hill Hospital.