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Glipizide And Metformin Hydrochloride is a brand name for Metformin. The medicine, its uses, side effects and dosage are the same regardless of brand.
Used for: INDICATIONS AND USAGE Glipizide and metformin hydrochloride tablets USP are indicated as an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus.
Verbatim from this product's FDA label. Tap a section to expand.
DOSAGE AND ADMINISTRATION
General Considerations Dosage of glipizide and metformin hydrochloride tablets must be individualized on the basis of both effectiveness and tolerance while not exceeding the maximum recommended daily dose of 20 mg glipizide/2000 mg metformin.
Glipizide and metformin hydrochloride tablets should be given with meals and should be initiated at a low dose, with gradual dose escalation as described below, in order to avoid hypoglycemia (largely due to glipizide), reduce GI side effects (largely due to metformin), and permit determination of the minimum effective dose for adequate control of blood glucose for the individual patient.
With initial treatment and during dose titration, appropriate blood glucose monitoring should be used to determine the therapeutic response to glipizide and metformin hydrochloride tablets and to identify the minimum effective dose for the patient.
Thereafter, HbA 1c should be measured at intervals of approximately 3 months to assess the effectiveness of therapy. The therapeutic goal in all patients with type 2 diabetes is to decrease FPG, PPG, and HbA 1c to normal or as near normal as possible.
Ideally, the response to therapy should be evaluated using HbA 1c , which is a better indicator of long-term glycemic control than FPG alone. No studies have been performed specifically examining the safety and efficacy of switching to glipizide and metformin hydrochloride tablet therapy in patients taking concomitant glipizide (or other sulfonylurea) plus metformin.
Changes in glycemic control may occur in such patients, with either hyperglycemia or hypoglycemia possible. Any change in therapy of type 2 diabetes should be undertaken with care and appropriate monitoring. When colesevelam is coadministered with glipizide ER, maximum plasma concentration and total exposure to glipizide is reduced.
ADVERSE REACTIONS
5 mg/500 mg, 170 received glipizide, and 177 received metformin. The most common clinical adverse events in these treatment groups are listed in Table 4 . 7) In a double-blind 18-week clinical trial involving glipizide and metformin hydrochloride tablets as second-line therapy, a total of 87 patients received glipizide and metformin hydrochloride tablets, 84 received glipizide, and 75 received metformin.
The most common clinical adverse events in this clinical trial are listed in Table 5 .
Table 5:
Clinical Adverse Events > 5% in any Treatment Group, by Primary Term, in Second-Line Therapy Study Number (%) of Patients Adverse Event Glipizide 5 mg Tablets The dose of glipizide was fixed at 30 mg daily; doses of metformin and glipizide and metformin hydrochloride tablets were titrated.
5 mg/500 mg. 6%) patients discontinued glipizide and metformin hydrochloride tablets due to hypoglycemic symptoms and 1 required medical intervention due to hypoglycemia. 6%) for glipizide and metformin hydrochloride tablets. 1%) patient discontinued glipizide and metformin hydrochloride tablet therapy due to hypoglycemic symptoms and none required medical intervention due to hypoglycemia (see PRECAUTIONS ).
Gastrointestinal Reactions Among the most common clinical adverse events in the initial therapy trial were diarrhea and nausea/vomiting; the incidences of these events were lower with both glipizide and metformin hydrochloride tablets dosage strengths than with metformin therapy.
2%) patients in the initial therapy trial who discontinued glipizide and metformin hydrochloride tablet therapy due to gastrointestinal (GI) adverse events. Gastrointestinal symptoms of diarrhea, nausea/vomiting, and abdominal pain were comparable among glipizide and metformin hydrochloride tablets, glipizide and metformin in the second-line therapy trial.
WARNINGS WARNING:
LACTIC ACIDOSIS Postmarketing cases of metformin-associated lactic acidosis have resulted in death, hypothermia, hypotension, and resistant bradyarrhythmias. The onset of metformin-associated lactic acidosis is often subtle, accompanied only by nonspecific symptoms such as malaise, myalgias, respiratory distress, somnolence, and abdominal pain.
Metformin-associated lactic acidosis was characterized by elevated blood lactate levels (> 5 mmol/Liter), anion gap acidosis (without evidence of ketonuria or ketonemia), an increased lactate/pyruvate ratio; and metformin plasma levels generally > 5 mcg/mL [see PRECAUTIONS].
, acute congestive heart failure), excessive alcohol intake, and hepatic impairment. Steps to reduce the risk of and manage metformin-associated lactic acidosis in these high risk groups are provided [see PRECAUTIONS]. If metformin-associated lactic acidosis is suspected, immediately discontinue glipizide and metformin hydrochloride tablets and institute general supportive measures in a hospital setting.
Prompt hemodialysis is recommended [see PRECAUTIONS]. SPECIAL WARNING ON INCREASED RISK OF CARDIOVASCULAR MORTALITY The administration of oral hypoglycemic drugs has been reported to be associated with increased cardiovascular mortality as compared to treatment with diet alone or diet plus insulin.
This warning is based on the study conducted by the University Group Diabetes Program (UGDP), a long-term prospective clinical trial designed to evaluate the effectiveness of glucose-lowering drugs in preventing or delaying vascular complications in patients with non-insulin-dependent diabetes.
The study involved 823 patients who were randomly assigned to 1 of 4 treatment groups ( Diabetes 19 (Suppl. 2):747-830, 1970). 5 grams per day) had a rate of cardiovascular mortality approximately 2½ times that of patients treated with diet alone.
CONTRAINDICATIONS
73 m 2 ) (see WARNINGS and PRECAUTIONS ). Known hypersensitivity to glipizide or metformin hydrochloride. Acute or chronic metabolic acidosis, including diabetic ketoacidosis, with or without coma. Diabetic ketoacidosis should be treated with insulin.
Not medical advice. Always read the patient information leaflet and follow your prescriber or pharmacist.
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Therefore, glipizide and metformin hydrochloride tablets should be administered at least 4 hours prior to colesevelam. 5 mg/250 mg once a day with a meal. 5 mg/500 mg twice daily should be considered. The efficacy of glipizide and metformin hydrochloride tablets in patients whose FPG exceeds 320 mg/dL has not been established.
Dosage increases to achieve adequate glycemic control should be made in increments of 1 tablet per day every 2 weeks up to maximum of 10 mg/1000 mg or 10 mg/2000 mg glipizide and metformin hydrochloride tablets per day given in divided doses.
In clinical trials of glipizide and metformin hydrochloride tablets as initial therapy, there was no experience with total daily doses > 10 mg/2000 mg per day. 5 mg/500 mg or 5 mg/500 mg twice daily with the morning and evening meals.
In order to avoid hypoglycemia, the starting dose of glipizide and metformin hydrochloride tablets should not exceed the daily doses of glipizide or metformin already being taken. The daily dose should be titrated in increments of no more than 5 mg/500 mg up to the minimum effective dose to achieve adequate control of blood glucose or to a maximum dose of 20 mg/2000 mg per day.
5 mg/500 mg or 5 mg/500 mg; the starting dose should not exceed the daily dose of glipizide (or equivalent dose of another sulfonylurea) and metformin already being taken. The decision to switch to the nearest equivalent dose or to titrate should be based on clinical judgment.
Patients should be monitored closely for signs and symptoms of hypoglycemia following such a switch and the dose of glipizide and metformin hydrochloride tablets should be titrated as described above to achieve adequate control of blood glucose.
Recommendations for Use in Renal Impairment Assess renal function prior to initiation of glipizide and metformin hydrochloride tablets and periodically thereafter. 73 m 2 . 73 m 2 is not recommended. 73 m 2 , assess the benefit risk of continuing therapy.
73 m 2 . 73 m 2 ; in patients with a history of liver disease, alcoholism or heart failure; or in patients who will be administered intra-arterial iodinated contrast. Re-evaluate eGFR 48 hours after the imaging procedure; restart glipizide and metformin hydrochloride tablets if renal function is stable.
Specific Patient Populations Glipizide and metformin hydrochloride tablets are not recommended for use during pregnancy or for use in pediatric patients. The initial and maintenance dosing of glipizide and metformin hydrochloride tablets should be conservative in patients with advanced age, due to the potential for decreased renal function in this population.
Any dosage adjustment requires a careful assessment of renal function. Generally, elderly, debilitated, and malnourished patients should not be titrated to the maximum dose of glipizide and metformin hydrochloride tablets to avoid the risk of hypoglycemia.
Monitoring of renal function is necessary to aid in prevention of metformin-associated lactic acidosis, particularly in the elderly. )
6%) patients in the second-line therapy trial who discontinued glipizide and metformin hydrochloride tablet therapy due to GI adverse events. Glipizide Gastrointestinal Reactions Cholestatic and hepatocellular forms of liver injury accompanied by jaundice have been reported rarely in association with glipizide; glipizide and metformin hydrochloride tablets should be discontinued if this occurs.
gov/medwatch for voluntary reporting of adverse reactions.
A significant increase in total mortality was not observed, but the use of tolbutamide was discontinued based on the increase in cardiovascular mortality, thus limiting the opportunity for the study to show an increase in overall mortality.
Despite controversy regarding the interpretation of these results, the findings of the UGDP study provide an adequate basis for this warning. The patient should be informed of the potential risks and benefits of glipizide and of alternative modes of therapy.
Although only 1 drug in the sulfonylurea class (tolbutamide) was included in this study, it is prudent from a safety standpoint to consider that this warning may also apply to other hypoglycemic drugs in this class, in view of their close similarities in mode of action and chemical structure.