Dapagliflozin and metformin
Generic name: dapagliflozin and metformin (DAP a gli FLOE zin and met FOR min)
Brand name: Xigduo XR
Dosage forms: oral tablet, extended release (10 mg-1000 mg; 10 mg-500 mg; 2.5 mg-1000 mg; 5 mg-1000 mg; 5 mg-500 mg)
Drug class: Antidiabetic combinations
What is dapagliflozin and metformin?
Dapagliflozin and metformin is a combination medicine used together with diet and exercise to improve blood sugar control in adults with type 2 diabetes mellitus. dapagliflozin and metformin is not for treating type 1 diabetes.
Dapagliflozin and metformin may also be used for purposes not listed in this medication guide.
You may develop lactic acidosis, a dangerous build-up of lactic acid in your blood. Call your doctor or get emergency medical help if you have unusual muscle pain, trouble breathing, stomach pain, dizziness, feeling cold, or feeling very weak or tired.
In rare cases, this medicine can cause serious infections in the penis or vagina. Get medical help right away if you have burning, itching, odor, discharge, pain, tenderness, redness or swelling of the genital or rectal area, fever, or if you don't feel well.
Before taking this medicine
You should not use dapagliflozin and metformin if you are allergic to dapagliflozin (Farxiga) or metformin, or if you have
severe kidney disease (or if you are on dialysis); or
If you need to have any type of x-ray or CT scan using a dye that is injected into your veins, you may need to temporarily stop taking dapagliflozin and metformin.
Tell your doctor if you have ever had:
liver or kidney disease;
a bladder infection or urination problems;
heart problems, low blood pressure;
problems with your pancreas, including surgery; or
if you are on a low salt diet.
You may develop lactic acidosis, a dangerous build-up of lactic acid in your blood. This may be more likely if you have other medical conditions, a severe infection, chronic alcoholism, or if you are 65 or older. Ask your doctor about your risk.
Follow your doctor's instructions about using this medicine if you are pregnant. Blood sugar control is very important during pregnancy, and your dose needs may be different during each trimester.
Tell your doctor right away if you become pregnant. You should not use dapagliflozin and metformin during the second or third trimester of pregnancy.
Metformin may stimulate ovulation in a premenopausal woman and may increase the risk of unintended pregnancy. Talk to your doctor about your risk.
You should not breastfeed while using this medicine.
Dapagliflozin and metformin is not approved for use by anyone younger than 18 years old.
How should I take dapagliflozin and metformin?
Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.
Take with food to prevent an upset stomach.
Swallow the tablet whole and do not crush, chew, or break it.
You may have low blood sugar (hypoglycemia) and feel very hungry, dizzy, irritable, confused, anxious, or shaky. To quickly treat hypoglycemia, eat or drink a fast-acting source of sugar (fruit juice, hard candy, crackers, raisins, or non-diet soda).
Your doctor may prescribe a glucagon injection kit in case you have severe hypoglycemia. Be sure your family or close friends know how to give you this injection in an emergency.
Also watch for signs of high blood sugar (hyperglycemia) such as increased thirst or urination.
Blood sugar levels can be affected by stress, illness, surgery, exercise, alcohol use, or skipping meals. Ask your doctor before changing your dose or medication schedule.
Call your doctor if you have ongoing vomiting or diarrhea, or if you are sweating more than usual. You can easily become dehydrated while taking this medicine, which can lead to severely low blood pressure or a serious electrolyte imbalance.
If you need surgery or medical tests, tell any doctor who treats you that you are using dapagliflozin and metformin.
This medicine is only part of a treatment program that may also include diet, exercise, weight control, blood sugar testing, and special medical care. Follow your doctor's instructions very closely.
Your doctor may have you take extra vitamin B12 while you are taking dapagliflozin and metformin. Take only the amount of vitamin B12 that your doctor has prescribed.
Store at room temperature, away from moisture and heat.
What happens if I miss a dose?
Take the medicine (with food) as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. You may have severely low blood sugar (extreme weakness, nausea, tremors, sweating, confusion, trouble speaking, fast heartbeats, or seizure).
What should I avoid while taking dapagliflozin and metformin?
Avoid drinking alcohol. It lowers blood sugar and may increase your risk of lactic acidosis.
Avoid getting up too fast from a sitting or lying position, or you may feel dizzy.
Dapagliflozin and metformin side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Seek medical attention right away if you have signs of a genital infection (penis or vagina): burning, itching, odor, discharge, pain, tenderness, redness or swelling of the genital or rectal area, fever, not feeling well. These symptoms may get worse quickly.
Call your doctor at once if you have:
little or no urination;
signs of a bladder infection--pain or burning when you urinate, increased urination, blood in your urine, fever, pain in your pelvis or back;
dehydration symptoms--dizziness, weakness, feeling light-headed (like you might pass out);
ketoacidosis (too much acid in the blood)--nausea, vomiting, stomach pain, confusion, unusual drowsiness, or trouble breathing; or
lactic acidosis--unusual muscle pain, trouble breathing, stomach pain, vomiting, irregular heart rate, dizziness, feeling cold, or feeling very weak or tired.
Side effects may be more likely to occur in older adults.
Common side effects may include:
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Dapagliflozin and metformin dosing information
Usual Adult Dose for Diabetes Type 2:
To Improve Glycemic Control for For Patients Not Already Taking Dapagliflozin:
-Initial dose: dapagliflozin 5 mg plus current metformin dose orally once a day
To Reduce Risk of Hospitalization for Heart Failure:
-Initial dose: dapagliflozin 10 mg plus current metformin dose orally once a day
Adjust doses based on effectiveness and tolerability
Maximum dose: Dapagliflozin 10 mg-metformin 2000 mg per day
-Patients taking an evening dose of metformin XR should skip their last dose before starting this drug; take this drug once daily in the morning with food.
-When used in combination with insulin or insulin secretagogue, a lower dose of with insulin or insulin secretagogue may be considered to reduce the risk of hypoglycemia.
-As an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus.
-Dapagliflozin is indicated to reduce the risk of hospitalization for heart failure in patients with type 2 diabetes mellitus and established cardiovascular disease or multiple cardiovascular risk factors.
What other drugs will affect dapagliflozin and metformin?
Tell your doctor about all your other medicines, especially:
a diuretic or "water pill";
insulin or other oral diabetes medications; or
This list is not complete. Other drugs may affect dapagliflozin and metformin, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.
Frequently asked questions
More about dapagliflozin / metformin
- Side Effects
- During Pregnancy
- Dosage Information
- Drug Interactions
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- Drug class: antidiabetic combinations
- Other brands
- Xigduo XR
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Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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