Symptoms. Acidosis may not cause any symptoms or it may be associated with nonspecific symptoms such as fatigue, nausea, and vomiting. Acute acidosis may also cause an increased rate and depth of breathing, confusion, and headaches, and it can lead to seizures, coma, and in some cases death.ymptoms. Acidosis may not cause any symptoms or it may be associated with nonspecific symptoms such as fatigue, nausea, and vomiting. Acute acidosis may also cause an increased rate and depth of breathing, confusion, and headaches, and it can lead to seizures, coma, and in some cases death.