Metformin Precautions
Metformin Precautions
PRECAUTIONS: Before taking metformin, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: kidney disease, liver disease, conditions that may cause a low oxygen blood level or poor circulation (e.g., severe congestive heart failure, recent heart attack, recent stroke), metabolic acidosis (e.g., diabetic ketoacidosis), serious infection, lack of body fluids (dehydration). Before using this medication, tell your doctor or pharmacist your medical history, especially of: severe breathing problems (e.g., obstructive lung disease, severe asthma), blood problems (e.g., anemia, vitamin B-12 deficiency), scheduled upcoming surgery, scheduled upcoming x-ray or scanning procedures, fertility problems (e.g., ovulation problems), alcohol use. Limit alcohol while using this medication. During times of stress, such as fever, infection, injury or surgery, it may be more difficult to control your blood sugar. Consult your doctor, as a change in your medication may be required. This medication can cause changes in the menstrual cycle (promote ovulation) in women with certain fertility problems, increasing the risk of becoming pregnant. Consult your doctor or pharmacist about the use of reliable birth control while using this medication. Caution is advised when using this drug in the elderly because they may be more sensitive to the effects of the drug. This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. It is not known whether this drug passes into breast milk. Breast-feeding is not recommended while using this drug.
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