Detecting high ammonia levels in your blood can help doctors diagnose and treat liver disease before it progresses and becomes life threatening. Ammonia is a substance made of hydrogen and nitrogen.

Higher than normal blood ammonia levels are called hyperammonemia. Acceptable levels depend on age and sex but range from about 42 µg/dL in infants to 200 µg/dL adults assigned male at birth. When you ...

High ammonia levels can be dangerous and may cause confusion, sleepiness, and difficulty concentrating. Liver disease, especially cirrhosis, is a common cause of high ammonia levels. If you have ...

Treatments for high ammonia levels aim to reduce the amount of ammonia in the blood and manage complications. A person may also require treatment for a condition causing elevated ammonia levels. High ...

A FEW years ago, an increased concentration of ammonia in the blood was clearly demonstrated in many cases of hepatic coma. 1–3 This demonstration stimulated us to investigate whether ammonia present ...