From the side of metabolism: In rare cases it is possible to develop hypoglycemic reactions. These reactions mainly occur shortly after taking the drug, and they can not always be easily stopped.
From the side of the organs of sight: during treatment (especially at the beginning), transient visual impairments due to changes in the concentration of glucose in the blood can be observed.
On the part of the digestive system: sometimes there may be nausea, vomiting, a feeling of heaviness or discomfort in the epigastrium, abdominal pain, diarrhea, very rarely leading to discontinuation of treatment; in rare cases - increased activity of "liver" enzymes, cholestasis, jaundice, hepatitis (until the development of liver failure).
On the part of the hematopoiesis system: rarely possible thrombocytopenia (from moderate to severe), leukopenia, hemolytic or aplastic anemia, erythrocytopenia, granulocytopenia, agranulocytosis and pancytopenia.
Allergic reactions: Sometimes it is possible the appearance of symptoms of urticaria (itching, skin rash).Such reactions are, as a rule, moderately expressed, but can progress, accompanied by a drop in blood pressure, dyspnea, until the development of anaphylactic shock. When symptoms of urticaria appear, consult a doctor immediately. A cross-allergy with other derivatives of sulfonylurea, sulfonamides, or similar substances is possible, and development of allergic vasculitis is also possible.
Other side effects: at exceptional cases, it is possible to develop photosensitivity, hyponatremia. If the patient discovers any of the above side effects, other unwanted effects, he should consult a doctor.