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Erschienen in:
01.12.2007 | Original Paper
Contraindications to metformin therapy among patients with type 2 diabetes mellitus
Erschienen in: International Journal of Clinical Pharmacy | Ausgabe 6/2007
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Objective
The biguanide, metformin, is a commonly prescribed oral antihyperglycemic agent. However, there are several clinical conditions that are considered as contraindications to the use of metformin among patients with type 2 diabetes mellitus. The aim of this study was to investigate the presence and nature of contraindications to metformin therapy among patients with type 2 diabetes mellitus.
Method
A retrospective study of the medical files of diabetic patients available at Alwosta clinic, north Palestine was carried out. Information about disease and medication profile of the patients was retrieved and analyzed using SPSS during the study period in 2004/2005. Focus was on metformin users who have contraindications to metfromin therapy.
Main outcome measure
Presence and number of contraindications to metformin therapy.
Results
Two hundred and seventy-two type 2 diabetic patients were identified. One hundred and twenty four of those diabetic patients were metformin users. Approximately, 60% of patients in the metformin group had a least one contraindication. Congestive heart failure and renal impairment were the most quantitatively present contraindications.
Conclusion
Contraindications to metformin therapy are common among type 2 diabetic patients and mostly disregarded. Patients have to be critically assessed before starting therapy and in case of metformin prescribing; dose should be adjusted based on the presence of risk factors for metformin adverse effects.