Medically reviewed on September 5, 2018
- Rarely, metformin may cause an acid health problem in the blood (lactic acidosis). The risk of lactic acidosis is higher in people with kidney problems and in people who take certain other drugs like topiramate. The risk is also higher in people with liver problems or heart failure, in older people (65 or older), or with alcohol use. The risk is also higher in people who are having an exam or test with contrast, surgery, or other procedures. If lactic acidosis happens, it can lead to other health problems and can be deadly. Lab tests to check the kidneys may be done while taking Synjardy (empagliflozin and metformin tablets). If you have questions, talk with the doctor.
- Call your doctor right away if you have signs of too much lactic acid in the blood (lactic acidosis) like fast breathing, fast or slow heartbeat, a heartbeat that does not feel normal, very bad upset stomach or throwing up, feeling very sleepy, shortness of breath, feeling very tired or weak, very bad dizziness, feeling cold, or muscle pain or cramps.
- Do not take Synjardy (empagliflozin and metformin tablets) if you have a very bad infection, low oxygen, or a lot of fluid loss (dehydration).
- Talk with your doctor before you drink alcohol.
- If you are having an exam or test with contrast or have had one within the past 48 hours, talk with your doctor.
- Tell all of your health care providers that you take Synjardy (empagliflozin and metformin tablets). This includes your doctors, nurses, pharmacists, and dentists.
Uses of Synjardy:
- It is used to lower blood sugar in patients with high blood sugar (diabetes).
- It is used to lower the chance of death from heart disease in certain people.
What do I need to tell my doctor BEFORE I take Synjardy?
- If you have an allergy to Synjardy (empagliflozin and metformin tablets) or any part of Synjardy (empagliflozin and metformin tablets).
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If you have any of these health problems: Acidic blood problem or type 1 diabetes.
- If you have any of these health problems: Kidney disease or liver disease.
- If you have had a recent heart attack or stroke.
- If you are not able to eat or drink like normal, including before certain procedures or surgery.
- If you are pregnant or may be pregnant. Do not take Synjardy (empagliflozin and metformin tablets) if you are in the second or third trimester of pregnancy.
- If you are breast-feeding. Do not breast-feed while you take Synjardy (empagliflozin and metformin tablets).
This is not a list of all drugs or health problems that interact with Synjardy (empagliflozin and metformin tablets).
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Synjardy (empagliflozin and metformin tablets) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
What are some things I need to know or do while I take Synjardy?
- Do not drive if your blood sugar has been low. There is a greater chance of you having a crash.
- To lower the chance of feeling dizzy or passing out, rise slowly if you have been sitting or lying down. Be careful going up and down stairs.
- Be careful in hot weather or while being active. Drink lots of fluids to stop fluid loss.
- If loose stools (diarrhea) happen or you are throwing up, call your doctor. You will need to drink more fluids to keep from losing too much fluid.
- Have blood work checked as you have been told by the doctor. Talk with the doctor.
- This medicine may affect certain lab tests. Tell all of your health care providers and lab workers that you take Synjardy (empagliflozin and metformin tablets).
- It may be harder to control your blood sugar during times of stress like when you have a fever, an infection, an injury, or surgery. A change in level of physical activity or exercise and a change in diet may also affect your blood sugar. Talk with your doctor.
- Check your blood sugar as you have been told by your doctor.
- Too much acid in the blood or urine (ketoacidosis) and very bad urinary tract infections (UTIs) have happened with Synjardy (empagliflozin and metformin tablets). Ketoacidosis can be deadly. Both of these health problems may need to be treated in a hospital. Talk with the doctor.
- Talk with your doctor about which glucose tests are best to use.
- Follow the diet and workout plan that your doctor told you about.
- Kidney problems have happened with Synjardy (empagliflozin and metformin tablets). Sometimes, kidney problems may need to be treated in the hospital. Dialysis may also be needed. Talk with your doctor.
- It is common to have stomach problems like upset stomach, throwing up, or loose stools (diarrhea) when you start taking Synjardy (empagliflozin and metformin tablets). If you have stomach problems later during care, call your doctor right away. This may be a sign of an acid health problem in the blood (lactic acidosis).
- If you are 65 or older, use Synjardy (empagliflozin and metformin tablets) with care. You could have more side effects.
- There is a chance of pregnancy in women of childbearing age who have not been ovulating. If you want to avoid pregnancy, use birth control that you can trust while taking Synjardy (empagliflozin and metformin tablets).
- This medicine may cause harm to the unborn baby if you take it while you are pregnant. If you are pregnant or you get pregnant while taking Synjardy (empagliflozin and metformin tablets), call your doctor right away.
How is this medicine (Synjardy) best taken?
Use Synjardy (empagliflozin and metformin tablets) as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- Take with meals.
- Drink lots of noncaffeine liquids every day unless told to drink less liquid by your doctor.
- To gain the most benefit, do not miss doses.
- Keep taking Synjardy (empagliflozin and metformin tablets) as you have been told by your doctor or other health care provider, even if you feel well.
What do I do if I miss a dose?
- Take a missed dose as soon as you think about it.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not use 2 doses at the same time or extra doses.
- If you are not sure what to do if you miss a dose, call your doctor.
See also: Dosage Information (in more detail)
What are some side effects that I need to call my doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of dehydration like dry skin, mouth, or eyes; thirst; fast heartbeat; dizziness; fast breathing; or confusion.
- Signs of kidney problems like unable to pass urine, change in how much urine is passed, blood in the urine, or a big weight gain.
- Signs of too much acid in the blood (acidosis) like confusion; fast breathing; fast heartbeat; a heartbeat that does not feel normal; very bad stomach pain, upset stomach, or throwing up; feeling very sleepy; shortness of breath; or feeling very tired or weak.
- Signs of a urinary tract infection (UTI) like blood in the urine, burning or pain when passing urine, feeling the need to pass urine often or right away, fever, lower stomach pain, or pelvic pain.
- For females, vaginal yeast infection. Report itching or discharge.
- For men, yeast infection of the penis. Report pain, swelling, rash, or discharge.
- Very bad belly pain.
- Very bad dizziness or passing out.
- Low blood sugar can happen. The chance of low blood sugar may be raised when Synjardy (empagliflozin and metformin tablets) is used with other drugs for high blood sugar (diabetes). Signs may be dizziness, headache, feeling sleepy, feeling weak, shaking, a fast heartbeat, confusion, hunger, or sweating. Call your doctor right away if you have any of these signs. Follow what you have been told to do if you get low blood sugar. This may include taking glucose tablets, liquid glucose, or some fruit juices.
What are some other side effects of Synjardy?
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
- Nose or throat irritation.
- Stomach pain.
- Feeling tired or weak.
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.
See also: Side effects (in more detail)
If OVERDOSE is suspected:
If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
How do I store and/or throw out Synjardy?
- Store at room temperature.
- Store in a dry place. Do not store in a bathroom.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
Consumer information use
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else's drugs.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- This medicine comes with an extra patient fact sheet called a Medication Guide. Read it with care. Read it again each time Synjardy (empagliflozin and metformin tablets) is refilled. If you have any questions about Synjardy (empagliflozin and metformin tablets), please talk with the doctor, pharmacist, or other health care provider.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
More about Synjardy (empagliflozin / metformin)
- Synjardy Side Effects
- During Pregnancy
- Dosage Information
- Drug Images
- Drug Interactions
- Pricing & Coupons
- En Español
- 4 Reviews
- Drug class: antidiabetic combinations
Other brands: Synjardy XR