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of Consumer Guide, the Editors. "Metformin Overview." 07 March 2007. HowStuffWorks.com. <http://health.howstuffworks.com/metformin.htm> 17 May 2008.
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Metformin Interactions
Metformin interacts with several other types of drugs:- Cimetidine, furosemide, nifedipine, amiloride, digoxin, procainamide, quinidine, ranitidine, triamterene, or trimethoprim taken concurrently with metformin may increase the blood concentration of metformin.
- Alcohol and iodinated contrast material may increase the risk for some of the serious side effects of metformin.
- Metformin may decrease the amount of glyburide or furosemide in the body.
- The effectiveness of metformin may be reduced by oral contraceptives, cortisonelike drugs, thiazide diuretics, estrogens, isoniazid, phenothiazines, phenytoin, and thyroid hormones.
- The actions of metformin may be increased by clofibrate, monoamine oxidase (MAO) inhibitors, probenecid, propranolol, rifabutin, rifampin, salicylates, and sulfonamides.
In our final section, you will learn about some general concerns for taking metformin.
For more information about diabetes, try the following links:
- To learn more about other medications, visit our Type 2 Diabetes Medications page.
- For more information on diabetes, visit the main Type 2 Diabetes page.
- To find out more about treating diabetes, check out Type 2 Diabetes Treatment main page.
- For additional information on biguanides, the class of drug that metformin bleongs to, read Biguanides.
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of Consumer Guide, the Editors. "Metformin Overview." 07 March 2007. HowStuffWorks.com. <http://health.howstuffworks.com/metformin.htm> 17 May 2008.
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