Generic
Linagliptin + Metformin Hydrochloride
Contraindications
Cationic drugs (amiloride, digoxin, morphine, ranitidine, trimethoprim etc.): May reduce metformin elimination. P-glycoprotien/CYP3A4 inducer (i.e. rifampin): The efficacy of this medicine may be reduced when administered in combination.
Pregnancy And Lactation
Most common side effects are nasopharyngitis and diarrhea. Hypoglycemia is more common in patients treated with this combination and sulfonylureas.
Therapeutic
In a patient with lactic acidosis who is taking Metformin, the drug should be discontinued immediately and supportive therapy promptly instituted. There have been postmarketing reports of acute pancreatitis. If pancreatitis is suspected, promptly discontinue Linagliptin & Metformin. Temporarily discontinue Linagliptin & Metformin in patients undergoing radiologic studies with intravascular administration of iodinated contrast materials or any surgical procedures necessitating restricted intake of food and fluids. Metformin may lower Vitamin B12 levels; so hematologic parameters shoud be monitored annually.
Storage Conditions
In the event of an overdose with this combination the usual supportive measures (i.e. remove unabsorbed material from the gastrointestinal tract, perform clinical monitoring, and institute supportive treatment) should be employed. Removal of Linagliptin by hemodialysis or peritoneal dialysis is unlikely but Metformin Hydrochloride is dialyzable. During controlled clinical trials in healthy subjects, with single doses of up to 600 mg of Linagliptin (equivalent to 120 times the recommended daily dose), there were no dose-related clinical adverse drug reactions. Overdose of Metformin Hydrochloride has occurred in case of ingestion of amounts greater than 50 grams. Hypoglycemia was reported in approximately 10% of cases, but no causal association with Metformin Hydrochloride has been established. Lactic acidosis has been reported in approximately 32% of Metformin Hydrochloride overdose cases.
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