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METFORMIN HCL 500 MG ER TAB 500

  • Manufacturer Name : TAGI PHARMA
  • MFG # : 51224000760
  • NDC : 51224000760
  • Distributor Name : AmeriSource Bergen
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Additional Information

Product NameMetformin HCl 500 Mg ER Tab 500
ApplicationAntihyperglycemic Agent
Generic Drug NameMetformin Hydrochloride
Mechanism of ActionReduces hepatic glucose production, increases insulin sensitivity, enhances glucose uptake
Dosage FormExtended-Release Tablet
Strength500 mg
TypeOral
Onset of ActionWithin 1-3 hours
Duration of ActionExtended-release formulation allows for prolonged effect
Elimination RouteRenal excretion, unchanged
Adverse EffectsNausea, diarrhea, abdominal discomfort, flatulence, lactic acidosis (rare)
PrecautionsMonitor renal function regularly; avoid in severe kidney disease or conditions predisposing to lactic acidosis
Pregnancy CategoryB (Generally considered safe in pregnancy)
PackagingBottle of 500 tablets
IndicationsType 2 diabetes mellitus, polycystic ovary syndrome (off-label)

Description

Metformin HCl 500 mg extended-release (ER) tablets are oral antihyperglycemic agents used for the management of type 2 diabetes mellitus. As a biguanide, metformin lowers blood glucose levels by decreasing hepatic glucose production, improving insulin sensitivity, and enhancing peripheral glucose uptake. It does not stimulate insulin secretion, reducing the risk of hypoglycemia.

Each tablet contains 500 mg of metformin hydrochloride in an extended-release matrix for once-daily or twice-daily administration, depending on clinical requirements. Absorption occurs primarily in the small intestine, with peak plasma concentrations reached within six to eight hours. The medication is excreted unchanged in the urine, with a half-life of approximately six hours.

Common adverse effects include nausea, diarrhea, abdominal discomfort, and flatulence, which often subside with continued use. Rare but serious complications include lactic acidosis, particularly in patients with renal impairment, hepatic dysfunction, or conditions associated with hypoxia.

Product Properties:

Description -
DESI Drug Ind -
DESI2 Drug Ind AB
Drug Category NJ
Drug Type Code N
FDA Approval Date 07/01/2016
FDA Therap Equiv TAB
HCPCS -
Market Entry Date -
Medical Coverage -
Termination Date 1
Unit 500
Units Per Pkg 04/17/2008
Active Ingredients 3483 metformin HCl 1115704
AHFS Class 68200400 BIGUANIDES
DEA Class NC
Dose Form TABLET, EXTENDED RELEASE 24 HR
Fine Line Class 850085008510 All Rx Products
Gen Code and Des 46754 metformin HCl ORAL TAB ER 24H 500 MG
Inactive Ingredients 2537 povidone 9003398
OMP Family -
Product Category RX Pharmaceuticals
Strength 500MG ER
Common Brand Name COMMON BRAND NAME(S): Fortamet, Glucophage XR, Glumetza
Drug Interaction DRUG INTERACTIONS: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval. Beta-blocker medications (such as metoprolol, propranolol, glaucoma eye drops such as timolol) may prevent the fast/pounding heartbeat you would usually feel when your blood sugar falls too low (hypoglycemia). Other symptoms of low blood sugar, such as dizziness, hunger, or sweating, are unaffected by these drugs. Many drugs can affect your blood sugar, making it harder to control. Before you start, stop, or change any medication, talk with your doctor or pharmacist about how the medication may affect your blood sugar. Check your blood sugar regularly as directed and share the results with your doctor. Tell your doctor right away if you have symptoms of high or low blood sugar. (See also Side Effects section.) Your doctor may need to adjust your diabetes medication, exercise program, or diet.
Allocation Period -
Case Quantity 36
Drug Form Pack Size 500
Form TABLET
Hazard Code -
Listed Chemical -
NIOSH Code -
Orange Book AB Products meeting necessary bioequivalence requirements.
Retail Pack Quantity 1
Returnable Status Returnable
Special Storage Cond 00 None
Temp Zone 10 Room Temperature
Unit EA
Unit Size 500
How to Use HOW TO USE: Read the Patient Information Leaflet if available from your pharmacist before you start taking metformin and each time you get a refill. If you have any questions, consult your doctor or pharmacist. Take this medication by mouth as directed by your doctor, usually once daily with the evening meal. Drink plenty of fluids while taking this medication unless otherwise directed by your doctor. Do not crush or chew this medication. Doing so can release all of the drug at once, increasing the risk of side effects. Also, do not split the tablets unless they have a score line and your doctor or pharmacist tells you to do so. Swallow the whole or split tablet without crushing or chewing. The dosage is based on your medical condition, response to treatment, and other medications you may be taking. Be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). To reduce your risk of side effects (such as upset stomach), your doctor may direct you to start this medication at a low dose and gradually increase your dose. Follow your doctor's instructions carefully. Take this medication regularly in order to get the most benefit from it. Remember to use it at the same time each day. If you are already taking another diabetes drug (such as chlorpropamide), follow your doctor's directions carefully for stopping/continuing the old drug and starting metformin. Check your blood sugar regularly as directed by your doctor. Keep track of the results, and share them with your doctor. Tell your doctor if your blood sugar measurements are too high or too low. Your dosage/treatment may need to be changed.
Missed Dose MISSED DOSE: If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.
Notes NOTES: Do not share this medication with others. Attend a diabetes education program to learn more about how to manage your diabetes with medications, diet, exercise, and regular medical exams. Learn the symptoms of high and low blood sugar and how to treat low blood sugar. Check your blood sugar regularly as directed and share the results with your doctor. Lab and/or medical tests (such as kidney function, liver function, blood sugar, hemoglobin A1c, complete blood counts) should be done before you start taking this medication and while you are taking it. Keep all medical and lab appointments. Consult your doctor for more details.
Overdose OVERDOSE: If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Overdose can cause lactic acidosis. Symptoms of overdose may include: severe drowsiness, severe nausea/vomiting/diarrhea, rapid breathing, slow/irregular heartbeat.
Phonetic Pronunciation (met-FOR-min)
Precautions PRECAUTIONS: See also Warning section. Before taking this medication, tell your doctor or pharmacist if you are allergic to metformin; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. Before using this medication, tell your doctor or pharmacist your medical history, especially of: severe breathing problems (such as obstructive lung disease, severe asthma), blood problems (such as anemia, vitamin B12 deficiency), kidney disease, liver disease. Before having surgery or any X-ray/scanning procedure using iodinated contrast, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). You may need to stop this medication for a short time for the surgery/procedure. Ask your doctor or dentist for instructions before your surgery/procedure. You may experience blurred vision, dizziness, or drowsiness due to extremely low or high blood sugar. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely. Limit alcohol while using this medication because it can increase your risk of lactic acidosis and developing low blood sugar. High fever, "water pills" (diuretics such as hydrochlorothiazide), too much sweating, diarrhea, or vomiting may cause dehydration and increase your risk of lactic acidosis. Stop taking this medication and tell your doctor right away if you have prolonged diarrhea or vomiting. Be sure to drink enough fluids to prevent dehydration unless your doctor directs you otherwise. It may be harder to control your blood sugar when your body is stressed (such as due to fever, infection, injury, or surgery). Consult your doctor because increased stress may require a change in your treatment plan, medications, or blood sugar testing. Older adults may be a greater risk for side effects such as low blood sugar or lactic acidosis. During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor. Your doctor may direct you to use insulin instead of this product during your pregnancy. Follow your doctor's instructions carefully. Metformin can cause changes in the menstrual cycle (promote ovulation) and increase the risk of becoming pregnant. Consult your doctor or pharmacist about the use of reliable birth control while using this medication. Metformin passes into breast milk in small amounts. Consult your doctor before breast-feeding.
Side Effects SIDE EFFECTS: See also Warning section. Nausea, vomiting, stomach upset, diarrhea, weakness, or a metallic taste in the mouth may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. If stomach symptoms return later (after taking the same dose for several days or weeks), tell your doctor right away. Stomach symptoms that occur after the first days of your treatment may be signs of lactic acidosis. An empty tablet shell may appear in your stool. This effect is harmless because your body has already absorbed the medication. Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Metformin does not usually cause low blood sugar (hypoglycemia). Low blood sugar may occur if this drug is prescribed with other diabetes medications. Talk with your doctor or pharmacist about whether the dose of your other diabetes medication(s) needs to be lowered. Symptoms of low blood sugar include sudden sweating, shaking, fast heartbeat, hunger, blurred vision, dizziness, or tingling hands/feet. It is a good habit to carry glucose tablets or gel to treat low blood sugar. If you don't have these reliable forms of glucose, rapidly raise your blood sugar by eating a quick source of sugar such as table sugar, honey, or candy, or drink fruit juice or non-diet soda. Tell your doctor about the reaction right away. Low blood sugar is more likely if you drink large amounts of alcohol, do unusually heavy exercise, or do not consume enough calories from food. To help prevent low blood sugar, eat meals on a regular schedule, and do not skip meals. Check with your doctor or pharmacist to find out what you should do if you miss a meal. Symptoms of high blood sugar (hyperglycemia) include thirst, increased urination, confusion, drowsiness, flushing, rapid breathing, and fruity breath odor. If these symptoms occur, tell your doctor right away. Your doctor may need to adjust your diabetes medication(s). Stop taking this medication and tell your doctor right away if this very serious side effect occurs: lactic acidosis (see Warning section). A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch. In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Storage STORAGE: Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets. Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.
Uses USES: Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar. It is used in patients with type 2 diabetes. Controlling high blood sugar helps prevent kidney damage, blindness, nerve problems, loss of limbs, and sexual function problems. Proper control of diabetes may also lessen your risk of a heart attack or stroke. Metformin works by helping to restore your body's proper response to the insulin you naturally produce. It also decreases the amount of sugar that your liver makes and that your stomach/intestines absorb.

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METFORMIN HCL 500 MG ER TAB 500 is manufactured by TAGI PHARMA.
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