Metformin Side Effects, Risks and Contraindications
Side Effects and Risks
Possible risks include the development of a fatal condition known as lactic acidosis. Patients experiencing symptoms associated with lactic acidosis must be treated emergently. Such symptoms include: troubled breathing, stomach pain, nausea, vomiting, brachycardia, heart arrhythmia, dizziness, weakness, muscle pain, muscle weakness, numbness or chilled-feeling in extremities.
Other side effects that should be reported include dyspnea, labored breathing, edema, prompt weight again, fever, chills, headache, or body aches. This list is not all-inclusive. Any side effect, particularly severe in nature, must be reported immediately to avoid further complications.
Individuals afflicted with lactic acidosis, diabetic ketoacidosis, liver or heart disease, or are allergic to metformin are advised against taking this medication. Patients younger than 10 years of age should not be treated with metformin.
Metformin is a category B drug, as assigned by the FDA. There are no predictable risks to a fetus at this time; however, it has been undetermined if this medication can be passed to a baby through breast milk. Patients should discuss their treatments options with their doctor if they are pregnant, planning to become pregnant, nursing, or planning to nurse.