METFORMIN ER 750 MG

72/100 · Elevated

Manufactured by Granules Pharmaceuticals Inc.

Metformin ER 750 MG: Common Gastrointestinal Issues and Rare but Serious Adverse Events

532,492 FDA adverse event reports analyzed

Last updated: 2026-05-12

About METFORMIN ER 750 MG

METFORMIN ER 750 MG is a medication tracked in the FDA Adverse Event Reporting System (FAERS), manufactured by Granules Pharmaceuticals Inc.. Based on analysis of 532,492 FDA adverse event reports, METFORMIN ER 750 MG has a safety score of 72 out of 100. This score indicates a relatively favorable safety profile, with fewer or less severe adverse events compared to many other tracked medications. The most commonly reported adverse reactions for METFORMIN ER 750 MG include NAUSEA, DIARRHOEA, BLOOD GLUCOSE INCREASED, DRUG INEFFECTIVE, FATIGUE. This page provides a comprehensive breakdown of reported side effects, safety signals, patient demographics, and AI-powered safety analysis for METFORMIN ER 750 MG.

AI Safety Analysis

Metformin Er 750 Mg has a safety concern score of 72 out of 100, placing it in the elevated concern category based on analysis of FDA adverse event data. The FDA has received approximately 532,492 adverse event reports for this medication, which is primarily manufactured by Granules Pharmaceuticals Inc..

The most commonly reported adverse events include Nausea, Diarrhoea, Blood Glucose Increased. Of classified reports, 67.8% were designated as serious by the FDA, meaning they involved hospitalization, disability, or other significant medical outcomes. Gastrointestinal issues like nausea and diarrhea are the most common adverse events.

Serious adverse events such as acute kidney injury and lactic acidosis are reported but less frequently. Weight changes, both increase and decrease, are notable side effects. Drug interactions and incorrect dose administration are significant safety concerns. Serious adverse events account for a substantial portion of reports, indicating potential risks.

Patients taking Metformin Er 750 Mg should monitor for the commonly reported side effects and contact their healthcare provider if they experience any unusual symptoms. Metformin ER 750 MG can cause gastrointestinal issues and may interact with other drugs, leading to hypoglycemia. Incorrect dose administration can also lead to serious adverse events. This analysis is based on voluntary FDA adverse event reports and should not replace professional medical advice.

Safety Score: 72/100

Metformin Er 750 Mg received a safety concern score of 72/100 (elevated concern). This is based on a 67.8% serious event ratio across 289,695 classified reports. The score accounts for 532,492 total adverse event reports and 100 distinct reaction types. This elevated score indicates a notable proportion of serious adverse events and warrants careful monitoring.

Top Adverse Reactions

NAUSEA18,881 reports
DIARRHOEA18,086 reports
BLOOD GLUCOSE INCREASED16,755 reports
DRUG INEFFECTIVE15,820 reports
FATIGUE14,567 reports
ACUTE KIDNEY INJURY13,616 reports
VOMITING12,398 reports
LACTIC ACIDOSIS12,041 reports
OFF LABEL USE11,366 reports
DYSPNOEA11,291 reports
WEIGHT DECREASED10,653 reports
DIZZINESS10,313 reports
HEADACHE9,974 reports
PAIN9,841 reports
MALAISE8,795 reports
ASTHENIA8,645 reports
FALL7,755 reports
ARTHRALGIA7,444 reports
DECREASED APPETITE7,326 reports
DEATH6,536 reports
PAIN IN EXTREMITY6,408 reports
PNEUMONIA6,048 reports
INJECTION SITE PAIN5,954 reports
COUGH5,741 reports
RASH5,730 reports
ABDOMINAL PAIN5,684 reports
PRURITUS5,653 reports
TOXICITY TO VARIOUS AGENTS5,503 reports
HYPOGLYCAEMIA5,483 reports
HYPOTENSION5,472 reports
CONSTIPATION5,293 reports
WEIGHT INCREASED5,030 reports
PYREXIA5,014 reports
CONDITION AGGRAVATED5,004 reports
RENAL FAILURE5,002 reports
ABDOMINAL PAIN UPPER4,954 reports
DRUG INTERACTION4,935 reports
HYPERTENSION4,916 reports
BACK PAIN4,784 reports
DEHYDRATION4,671 reports
METABOLIC ACIDOSIS4,605 reports
ANXIETY4,594 reports
INSOMNIA4,438 reports
URINARY TRACT INFECTION4,376 reports
FEELING ABNORMAL4,232 reports
BLOOD PRESSURE INCREASED4,136 reports
DIABETES MELLITUS4,121 reports
ANAEMIA4,120 reports
ABDOMINAL DISCOMFORT4,116 reports
INCORRECT DOSE ADMINISTERED4,071 reports
GAIT DISTURBANCE4,067 reports
CONFUSIONAL STATE4,060 reports
BLOOD GLUCOSE DECREASED4,037 reports
CHRONIC KIDNEY DISEASE4,014 reports
GLYCOSYLATED HAEMOGLOBIN INCREASED4,003 reports
CHEST PAIN3,877 reports
DEPRESSION3,808 reports
PERIPHERAL SWELLING3,792 reports
SOMNOLENCE3,715 reports
DRUG DOSE OMISSION3,645 reports
MYOCARDIAL INFARCTION3,474 reports
DIABETIC KETOACIDOSIS3,464 reports
ALOPECIA3,431 reports
MUSCLE SPASMS3,408 reports
NASOPHARYNGITIS3,395 reports
CEREBROVASCULAR ACCIDENT3,374 reports
MYALGIA3,300 reports
PRODUCT DOSE OMISSION ISSUE3,190 reports
INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION3,075 reports
COVID 193,055 reports
TREMOR3,029 reports
HYPERKALAEMIA2,995 reports
HYPERHIDROSIS2,878 reports
HYPERGLYCAEMIA2,875 reports
VISUAL IMPAIRMENT2,787 reports
OVERDOSE2,740 reports
INJECTION SITE HAEMORRHAGE2,739 reports
ATRIAL FIBRILLATION2,695 reports
DYSPEPSIA2,675 reports
MEMORY IMPAIRMENT2,661 reports
HYPOAESTHESIA2,653 reports
MUSCULAR WEAKNESS2,646 reports
PRODUCT USE ISSUE2,627 reports
VISION BLURRED2,613 reports
OEDEMA PERIPHERAL2,606 reports
PSORIASIS2,605 reports
PRODUCT USE IN UNAPPROVED INDICATION2,591 reports
COMPLETED SUICIDE2,537 reports
DRUG HYPERSENSITIVITY2,504 reports
ERYTHEMA2,503 reports
PARAESTHESIA2,487 reports
GENERAL PHYSICAL HEALTH DETERIORATION2,479 reports
LOSS OF CONSCIOUSNESS2,473 reports
SEPSIS2,453 reports
ABDOMINAL DISTENSION2,438 reports
RENAL IMPAIRMENT2,425 reports
INFLUENZA2,377 reports
SYNCOPE2,374 reports
PANCREATITIS2,328 reports
ASTHMA2,324 reports

Key Safety Signals

  • Acute kidney injury and lactic acidosis are key safety signals, though less common.
  • Weight changes, both gain and loss, are significant.
  • Drug interactions and incorrect dose administration are critical safety signals.
  • Serious adverse events like death and renal failure are reported.
  • Gastrointestinal issues are the most frequent adverse events.

Patient Demographics

Adverse event reports by sex: Female: 142,977, Male: 123,403, Unknown: 942. The most frequently reported age groups are age 65 (6,619 reports), age 70 (6,364 reports), age 68 (6,185 reports). These demographics reflect reporting patterns and may not represent the full patient population.

Report Outcomes

Out of 289,695 classified reports for METFORMIN ER 750 MG:

  • Serious: 196,413 reports (67.8%) — includes hospitalization, disability, life-threatening events, or death
  • Non-Serious: 93,282 reports (32.2%)
Serious 67.8%Non-Serious 32.2%

The FDA classifies an adverse event as “serious” if it results in death, hospitalization, disability, congenital anomaly, or requires intervention to prevent permanent damage.

Demographics Breakdown

Reports by Sex

Female142,977 (53.5%)
Male123,403 (46.2%)
Unknown942 (0.4%)

Reports by Age

Age 656,619 reports
Age 706,364 reports
Age 686,185 reports
Age 666,120 reports
Age 636,105 reports
Age 676,055 reports
Age 695,957 reports
Age 645,824 reports
Age 625,793 reports
Age 615,691 reports
Age 715,691 reports
Age 725,646 reports
Age 605,639 reports
Age 735,391 reports
Age 585,212 reports
Age 595,042 reports
Age 745,037 reports
Age 754,808 reports
Age 574,732 reports
Age 564,647 reports

Demographics reflect voluntary FDA adverse event reporting patterns and may not represent the full patient population.

Drug Interactions & Warnings

Metformin ER 750 MG can cause gastrointestinal issues and may interact with other drugs, leading to hypoglycemia. Incorrect dose administration can also lead to serious adverse events.

What You Should Know

If you are taking Metformin Er 750 Mg, here are important things to know. The most commonly reported side effects include nausea, diarrhoea, blood glucose increased, drug ineffective, fatigue. While many of these may be mild and temporary, you should contact your healthcare provider if any symptoms are severe or persistent. Always follow the prescribed dose and schedule to avoid hypoglycemia and other adverse events. Inform your healthcare provider about any other medications you are taking to prevent drug interactions. If you experience a serious adverse reaction, seek emergency medical attention immediately or call 911. You can report side effects to the FDA's MedWatch program at 1-800-FDA-1088.

Regulatory Context

The FDA closely monitors Metformin ER 750 MG for safety, and regulatory actions may be taken based on emerging safety signals.

Frequently Asked Questions

How many adverse event reports has the FDA received for Metformin Er 750 Mg?

The FDA has received approximately 532,492 adverse event reports associated with Metformin Er 750 Mg. These reports come from healthcare professionals, consumers, and manufacturers through the FDA Adverse Event Reporting System (FAERS). Note that the number of reports does not directly indicate the frequency of side effects, as adverse events are voluntarily reported and may be underrepresented.

What are the most commonly reported side effects of Metformin Er 750 Mg?

The most frequently reported adverse events for Metformin Er 750 Mg include Nausea, Diarrhoea, Blood Glucose Increased, Drug Ineffective, Fatigue. By volume, the top reported reactions are: Nausea (18,881 reports), Diarrhoea (18,086 reports), Blood Glucose Increased (16,755 reports). These figures reflect FDA adverse event reports and may not represent the true incidence rate of these side effects in all patients taking Metformin Er 750 Mg.

What percentage of Metformin Er 750 Mg adverse event reports are serious?

Out of 289,695 classified reports, 196,413 (67.8%) were classified as serious and 93,282 as non-serious. The FDA classifies an event as "serious" if it results in death, hospitalization, disability, or other medically significant outcomes. A higher serious-event ratio warrants closer attention but does not necessarily mean the drug is unsafe.

Who reports adverse events for Metformin Er 750 Mg (by sex)?

Adverse event reports for Metformin Er 750 Mg break down by patient sex as follows: Female: 142,977, Male: 123,403, Unknown: 942. This distribution reflects reporting patterns rather than actual risk differences between groups. Reporting rates can be influenced by prescribing patterns, disease demographics, and reporting behavior.

What age groups report the most side effects for Metformin Er 750 Mg?

The most frequently reported age groups for Metformin Er 750 Mg adverse events are: age 65: 6,619 reports, age 70: 6,364 reports, age 68: 6,185 reports, age 66: 6,120 reports, age 63: 6,105 reports. Age-related reporting patterns can reflect both the demographics of the patient population and potential age-related susceptibility to certain side effects.

Who manufactures Metformin Er 750 Mg?

The primary manufacturer associated with Metformin Er 750 Mg adverse event reports is Granules Pharmaceuticals Inc.. Multiple manufacturers may produce generic versions of this drug. The manufacturer listed reflects the most frequently reported brand in FDA adverse event data.

What other side effects have been reported for Metformin Er 750 Mg?

Beyond the most common reactions, other reported adverse events for Metformin Er 750 Mg include: Acute Kidney Injury, Vomiting, Lactic Acidosis, Off Label Use, Dyspnoea. Less common side effects can still be clinically significant. Patients should report any unusual symptoms to their healthcare provider.

How do I report a side effect from Metformin Er 750 Mg?

You can report adverse events from Metformin Er 750 Mg to the FDA through their MedWatch program at www.fda.gov/medwatch, by calling 1-800-FDA-1088, or by completing Form FDA 3500. Healthcare professionals, consumers, and manufacturers can all submit reports. Reporting helps the FDA monitor drug safety after approval.

What is Metformin Er 750 Mg's safety score and what does it mean?

Metformin Er 750 Mg has a safety concern score of 72 out of 100 (elevated concern). This score is calculated from the ratio of serious to non-serious adverse events, the diversity of reported reactions, and the overall volume of reports relative to usage. Gastrointestinal issues like nausea and diarrhea are the most common adverse events.

What are the key safety signals for Metformin Er 750 Mg?

Key safety signals identified in Metformin Er 750 Mg's adverse event data include: Acute kidney injury and lactic acidosis are key safety signals, though less common.. Weight changes, both gain and loss, are significant.. Drug interactions and incorrect dose administration are critical safety signals.. Serious adverse events like death and renal failure are reported.. Gastrointestinal issues are the most frequent adverse events.. These signals are derived from patterns in FDA reports and should be discussed with a healthcare provider for personalized assessment.

Does Metformin Er 750 Mg interact with other drugs?

Metformin ER 750 MG can cause gastrointestinal issues and may interact with other drugs, leading to hypoglycemia. Incorrect dose administration can also lead to serious adverse events. Always inform your healthcare provider about all medications, supplements, and over-the-counter drugs you are taking before starting Metformin Er 750 Mg.

What should patients know before taking Metformin Er 750 Mg?

Always follow the prescribed dose and schedule to avoid hypoglycemia and other adverse events. Inform your healthcare provider about any other medications you are taking to prevent drug interactions.

Are Metformin Er 750 Mg side effects well-documented?

Metformin Er 750 Mg has 532,492 adverse event reports on file with the FDA. Serious adverse events such as acute kidney injury and lactic acidosis are reported but less frequently. The volume of reports for Metformin Er 750 Mg reflects both the drug's usage level and the vigilance of the reporting community.

What is the FDA's position on Metformin Er 750 Mg?

The FDA closely monitors Metformin ER 750 MG for safety, and regulatory actions may be taken based on emerging safety signals. For the most current regulatory information, check the FDA's drug labeling database or consult your pharmacist.

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Important Disclaimer: This content is generated by AI analysis of FDA adverse event reports and is provided for informational purposes only. It is not medical advice. Adverse event reports submitted to the FDA do not prove that a medication caused the reported side effect. Always consult your healthcare provider before starting, stopping, or changing any medication. If you experience a serious side effect, contact your doctor or call 911 immediately.