Blood and lymphatic system disorders: Rare: thrombocytopenia, leukopenia, granulocytopenia, agranulocytosis, erythropenia, hemolytic anaemia and pancytopenia, which are in general reversible upon discontinuation of medication.
Immune system disorders: Very rare: leukocytoclastic vasculitis, mild hypersensitivity reactions that may develop into serious reactions with dyspnea, fall in blood pressure and sometimes shock.
Not-known: cross-allergenicity with sulfonylureas, sulfonamides or related substances is possible.
Metabolism and nutrition disorders: Rare: hypoglycemia.
These hypoglycemic reactions mostly occur immediately, may be severe and are not always easy to correct. The occurrence of such reactions depends, as with other hypoglycemic therapies, on individual factors such as dietary habits and dosage.
Eye disorders: Not known: visual disturbances, transient, may occur especially on initiation of treatment, due to changes in blood glucose levels.
Gastrointestinal disorders: Very rare: nausea, vomiting, diarrhea, abdominal distension, abdominal discomfort and abdominal pain, which seldom lead to discontinuation of therapy.
Hepato-biliary disorders: Not known: hepatic enzymes increased. Very rare: hepatic function abnormal (e.g. with cholestasis and jaundice), hepatitis and hepatic failure.
Skin and subcutaneous tissue disorders: Not known: hypersensitivity reactions of the skin may occur as pruritus, rash, urticaria and photosensitivity.
Investigations: Very rare: blood sodium decrease.
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