Angioedema after the first dose of metformin

Published:February 04, 2013DOI:
      Metformin is a biguanide group antihyperglycemic agent that reduces the basal and postprandial glucose level and increases glucose tolerance in patients with type II diabetes mellitus. The rarely observed side effects are nausea, vomiting, diarrhea, and abdominal pain. In some hypersensitive patients, mild erythema has been reported. In this case report, angioedema developed immediately after 1 dose of metformin usage.
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