9. Nausea and Vomiting

As toxins and wastes begin to buildup in your blood, it can cause severe nausea and vomiting.
This can also be a sign of a urinary tract infection, so make sure you speak to your doctor right away, especially if you are experiencing any pain in your lower back or abdomen too (5).
10. Chills
When you kidneys are functioning properly, they produce erythropoietin, a hormone that triggers your body to make red blood cells.
As such, any issues that affect the healthy function of your kidneys can ultimately interfere with this process resulting in a lack of oxygen-carrying red blood cells.
When this happens, you can often develop anemia, a symptom of which includes constantly feeling cold (6).
How to Keep Your Kidneys Healthy
To avoid symptoms of kidney problems there are several things you should do according to National Institute of Diabetes and Digestive and Kidney Diseases (NIH) (7).
1. Keep your blood glucose in check, especially if you have diabetes.
2. Maintain a healthy blood pressure.
3. Eat healthy meals—If you are already displaying symptoms of kidney problems, avoid a diet high in protein, fat, sodium, and potassium.
4. Have yearly tests to ensure your kidneys are functioning properly
5. Avoid painkillers unless necessary as they can damage your kidneys. Nonsteroidal anti-inflammatory drugs like ibuprofen and naproxen are especially bad.
6. Contact your doctor immediately if you think you have a bladder or kidney infection.
7. Don’t smoke.