Consumer Information for: AURO-METFORMIN
Consumer Information
Information about the product including what the product is used for, dosage, warnings, proper use and side effects. This summary will not tell you everything about the product. Contact your healthcare professional if you have any questions about the product.
What the medication is used for
AURO-METFORMIN is used, in addition to diet and exercise, to improve blood sugar levels in adults with type 2 diabetes.
What it does
People with type 2 diabetes are not able to make enough insulin or respond normally to the insulin their bodies make. When this happens, sugar (glucose) builds up in the blood. This can lead to serious medical problems including kidney damage, amputations, and blindness. Diabetes is also closely linked to heart disease. The main goal of treating diabetes is to lower your blood sugar to a normal level.
High blood sugar can be lowered by diet and exercise, by a number of medicines taken by mouth, and by insulin shots. While you take your diabetes medicine, continue to exercise and follow the diet advised for your diabetes, by your doctor.
No matter what your recommended diabetes management plan is, studies have shown that maintaining good blood sugar control can prevent or delay complications of diabetes, such as blindness.
AURO-METFORMIN helps to control your blood sugar.
Although the mode of action of AURO-METFORMIN is not fully understood, it is believed to help your body respond better to the insulin it makes naturally by:
- decreasing the amount of sugar your liver makes, and
- decreasing the amount of sugar your intestines absorb.
What the medicinal ingredient is
The medicinal ingredient for AURO-METFORMIN is Metformin Hydrochloride.
What the non-medicinal ingredients are
AURO-METFORMIN tablets contain the following non-medicinal ingredients: Povidone, Magnesium Stearate, Coating Ingredients: Opadry Clear 03G590004: It contains HPMC 2910/Hypromellose, Macrogol /PEG, Artificial Blackberry Flavour 501167 AP0551.
What dosage form it comes in
AURO-METFORMIN is formulated into 500 mg and 850 mg tablets for oral administration.
500 mg and 850 mg: Bottles of 100 and 500 tablets
When it should not be used
- You have unstable and/or insulin-dependent (Type I) diabetes mellitus.
- You have acute or chronic metabolic acidosis (including diabetic ketoacidosis, with or without coma, history of ketoacidosis with or without coma)
- You have a history of lactic acidosis (too much lactic acid in the blood)
- You drink a lot of alcohol
- You have severe liver dysfunction or liver disease
- You have kidney disease or impairment
- You are going to have an x-ray procedure with injection of iodinated contrast materials
- You have a severe infection or trauma
- Prior to surgery and during your recovery phase
- You suffer from severe dehydration (have lost a lot of water from your body)
- You are hypersensitive or allergic to metformin hydrochloride or any ingredient in the formulation or component of the container
- You are pregnant or planning to become pregnant
- You are breastfeeding
- You have cardiovascular collapse (abrupt failure of blood circulation) or cardiorespiratory insufficiency
Warnings and precautions
Serious Warnings and Precautions
- AURO-METFORMIN may rarely cause a serious, life-threatening condition called lactic acidosis (see Lactic Acidosis section below).
- You should not drink a lot of alcohol if you take AURO-METFORMIN (see Lactic Acidosis section below).
To help avoid side effects and ensure proper use, talk to your healthcare professional before you take AURO-METFORMIN. Talk about any health conditions or problems you may have.
Lactic Acidosis
AURO-METFORMIN may rarely cause a serious, life-threatening condition called lactic acidosis.
You should not take AURO-METFORMIN due to greater risk for lactic acidosis if you:
- Have kidney problems or a history of kidney disease
- Are 80 years of age or older and you have NOT had your kidney function tested
- Are seriously dehydrated (have lost a lot of water from your body)
- Have liver disease
- Have metabolic acidosis (e.g. diabetic ketoacidosis)
- Drink a lot of alcohol (regularly drink alcohol or sometimes drink a lot of alcohol, binge drinking)
- Have an x-ray procedure with injection of dyes (contrast agents)
- Before surgery and during the recovery phase thereafter
- Develop a serious medical condition, such as heart attack, severe infection, or a stroke
Due to greater risk for lactic acidosis, you should talk to your doctor if you take AURO-METFORMIN and if you:
- Develop or experience a worsening of heart disease and particularly heart failure
Signs and symptoms of lactic acidosis include: discomfort, muscle pain, difficult or fast breathing, extreme tiredness, weakness, upset stomach, stomach pain, feeling cold, low blood pressure or slow heartbeat.
If any of the above side effects occur, consult your doctor immediately.
Other warnings you should know about:
You should tell your doctor if you have any other medical condition including: Vitamin B-12 deficiency or anemia,
excessive alcohol use, allergies, or hypothyroidism (low levels of thyroid hormones).
Do not drive or operate machines if you develop hypoglycemia (low blood sugar levels).
Do not start or stop any medicine without the approval of your healthcare professional.
Interactions with this medication
Tell your healthcare professional about all the medicines you take, including any drugs, vitamins, minerals, natural supplements or alternative medicines.
The following drugs may interact with AURO-METFORMIN and require careful monitoring of your dose or condition:
- other diabetes drugs such as glyburide
- furosemide
- nifedipine
- cationic drugs (e.g., amiloride, digoxin, morphine, procainamide, quinidine, quinine, ranitidine, triamterene, trimethoprim, and vancomycin)
- certain “blood thinners” (phenprocoumon or other antivitamin K anticoagulants)
- diuretics, especially loop diuretics, that may increase the risk of lactic acidosis due to their potential to decrease renal function
- drugs that tend to produce hyperglycemia (high blood sugar) and may lead to a loss of blood sugar control. Some example of drugs that can increase the blood sugar include:
- Thiazide and other diuretics (water pills)
- Corticosteroids
- Phenothiazines
- Thyroid products
- Estrogens or estrogens plus progestogen
- Oral contraceptives
- Phenytoin
- Nicotinic Acid
- Sympathomimetics
- Calcium channel blocking drugs
- Isoniazid
- Beta-2-agonists
- ACE inhibitors drugs may lower blood glucose and the combination with AURO-METFORMIN should be carefully monitored.
Before using any drugs or herbal products, consult your healthcare professional.
Proper use of this medication
How to take AURO-METFORMIN
AURO-METFORMIN tablets are to be taken orally (by mouth).
Usual dose
Your doctor will tell you how much medicine to take and when to take it. Follow the directions provided by your doctor for using this medicine. Taking this medicine with food will decrease symptoms such as nausea and vomiting.
Overdose
In general, an overdose may lead to increased symptoms as described under “SIDE EFFECTS AND WHAT TO DO ABOUT THEM” including stomach discomfort, nausea, vomiting, diarrhea, drowsiness, weakness, dizziness, malaise, and headache. A serious, life-threatening condition called lactic acidosis may also occur (see WARNINGS and PRECAUTIONS, Lactic Acidosis).
Missed Dose
If you forget to take AURO-METFORMIN tablets, do not take a double dose to make up for forgotten individual doses. Take the next dose at the usual time.
Side effects and what to do about them
What are possible side effects from using AURO-METFORMIN?
These are not all the possible side effects you may feel when taking AURO-METFORMIN. If you experience any side effects not listed here, contact your healthcare professional. Please also see Warnings and Precautions.
Common side effects of AURO-METFORMIN include:
- diarrhea
- nausea
- upset stomach
- abdominal bloating
- gas
- loss of appetite
These side effects generally go away after you take the medicine for a while. Taking your medicine with meals can help reduce these side effects. Tell your doctor if the side effects bother you a lot, last for more than a few weeks, come back after they’ve gone away, or start later in therapy. You may need a lower dose or need to stop taking the medicine for a short period or for good.
After you are on the same dose for several days or weeks, if any of these symptoms come back, tell your doctor immediately. A late recurrence of stomach symptoms may be due to a serious medical condition (lactic acidosis).
AURO-METFORMIN rarely cause hypoglycemia (low blood sugar) by itself. However, hypoglycemia can happen if you do not eat enough, if you drink alcohol, or if you take other medicines to lower blood sugar.
Lactic Acidosis: In rare cases, AURO-METFORMIN can cause a serious side effect called lactic acidosis. This is caused by a buildup of lactic acid in your blood. This build-up can cause serious damage. Lactic acidosis caused by AURO-METFORMIN is rare and has occurred mostly in people whose kidneys were not working normally. Although rare, if lactic acidosis does occur, it can be fatal in up to half the people who develop it.
It is also important for your liver to be working normally when you take AURO-METFORMIN. Your liver helps remove lactic acid from your blood.
Make sure you tell your doctor before you use AURO-METFORMIN if you have kidney or liver problems.
You should also stop using AURO-METFORMIN and call your doctor right away if you have signs of lactic acidosis. Lactic acidosis is a medical emergency that must be treated in a hospital.
If your medical condition suddenly changes, stop taking AURO-METFORMIN and call your doctor right away. This may be a sign of lactic acidosis or another serious side effect.
| Symptom / effect | Stop taking drug and get immediate medical help | ||
|---|---|---|---|
| Uncommon | |||
| Feeling very week, tired or uncomfortable | ✔ | ||
| Unusual muscle pain | ✔ | ||
| Trouble breathing | ✔ | ||
| Unusual or unexpected stomach discomfort | ✔ | ||
| Feeling cold | ✔ | ||
| Feeling dizzy or lightheaded | ✔ | ||
| Suddenly developing a slow or irregular heartbeat | ✔ | ||
| Rare | |||
| Lactic Acidosis (a build up of lactic acid in the blood) that can cause death or cardiovascular mortality
Symptoms include:
|
✔ | ||
This is not a complete list of side effects. For any unexpected effects while taking AURO-METFORMIN, contact your healthcare professional. If you have a troublesome symptom or side effect that is not listed here or becomes bad enough to interfere with your daily activities, talk to your healthcare professional.
Reporting side effects
You can report any suspected side effects associated with the use of health products to Health Canada by:
- Visiting the Web page on Adverse Reaction Reporting (www.hc-sc.gc.ca/dhpmps/medeff/report-declaration/index-eng.php) for information on how to report online, by mail or by fax; or
- Calling toll-free at 1-866-234-2345.
NOTE: Contact your health professional if you need information about how to manage your side effects. The Canada Vigilance Program does not provide medical advice.
How to store
Store at room temperature (15°C to 30°C). Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.
Keep out of reach and sight of children.
More information
If you want more information about AURO-METFORMIN:
- Talk to your healthcare professional
- Find the full product monograph that is prepared for healthcare professionals and includes this PATIENT MEDICATION INFORMATION by visiting the Health Canada website (hc-sc.gc.ca/index-eng.php); the manufacturer’s website www.auropharma.ca, or by calling 1-855-648-6681.
This leaflet was prepared by:
Auro Pharma Inc.
3700 Steeles Avenue West,
Suite # 402 Woodbridge,
Ontario, L4L 8K8,
Canada.
Date of Revision: June 6, 2018
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