[header] How to lower ammonia levels in the body [title] Consult with your doctor. [step] Most people that know they need to lower their ammonia levels find this out from their doctors. This problem is usually associated with another health problem, so controlling your ammonia levels will be part of an overall treatment plan. 
[substeps] High ammonia levels are a common symptom of advanced liver disease, known as cirrhosis, reye's syndrome, and severe cases of hepatitis. If you have one of these diseases, it is likely that you will need to work on reducing your ammonia levels.