Sodium bicarbonate for medical use is a Metabolic acidosis.
Causes of metabolic acidosis can include buildup of body toxins, kidney failure, and ingestion of certain drugs or toxins, such as methanol or large doses of aspirin. It can be a rare complication of diabetes.
Symptoms include nausea, vomiting, fast breathing, and lethargy.
Treatment depends on the cause. Sodium bicarbonate can reduce the acidity of blood.