Insulin regular (human) and Linagliptin and metformin interaction
Insulin regular (human) and Linagliptin and metformin: both prescribing labels describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.
Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.
What the FDA labels say
From the Insulin regular (human) (AFREZZA) label · effective 2026-05-30
For patients with type 2 diabetes mellitus, oral antidiabetic treatment dosage modifications may be needed.
For patients with type 2 diabetes mellitus, dosage modifications of concomitant oral antidiabetic treatment may be needed [see Drug Interactions ( 7 )] .
Risk Factors and Mitigation Strategies for Hypoglycemia The risk of hypoglycemia after use of AFREZZA is related to the duration of action of the insulin and, in general, is highest when the glucose lowering effect of the insulin is maximal [See Clinical Pharmacology ( 12.3 )] .
Dosage Modifications for Drug Interactions Dosage modification may be needed when: AFREZZA is used concomitantly with certain drugs that increase and/or decrease the glucose lowering effect [see Drug Interactions ( 7 )].
Clinically Significant Drug Interactions with AFREZZA Antidiabetic agents, Angiotensin-Converting Enzyme Inhibitors, Angiotensin II Receptor Blocking Agents, Disopyramide, Fibrates, Fluoxetine, Monoamine Oxidase Inhibitors, Pentoxifylline, Pramlintide, Salicylates, Somatostatin Analogs (e.g., octreotide), and Sulfonamide Antibiotics Prevention or Management Monitor…
From the Linagliptin and metformin (Jentadueto XR) label · effective 2026-08-19
Hypoglycemia: Consider lowering the dosage of insulin secretagogue or insulin to reduce the risk of hypoglycemia when initiating JENTADUETO XR.
Hypoglycemia with Concomitant Use with Insulin and Insulin Secretagogues Insulin secretagogues and insulin are known to cause hypoglycemia.
The risk of hypoglycemia is increased when JENTADUETO XR is used in combination with an insulin secretagogue (e.g., sulfonylurea) or insulin [see Adverse Reactions (6.1) ] .
Therefore, a lower dosage of the insulin secretagogue or insulin may be required to reduce the risk of hypoglycemia when used in combination with JENTADUETO XR .
Insulin or Insulin Secretagogues Clinical Impact The risk of hypoglycemia is increased when JENTADUETO XR is used in combination with an insulin secretagogue (e.g., sulfonylurea) or insulin.
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.