We report a patient who had negative anion gap with hyperchloremia and conscious loss because of daily intake of cold complex syrup (containing dextromethorphan bromide 0.4 mg/ml, acetaminophen 8. ...
It is composed mainly of plasma proteins (primarily albumin) that carry a negative charge. In the setting of hypoalbuminemia, therefore, the baseline anion gap may be less than 3 mEq/L.