Carvedilol and Insulin glargine interaction
Carvedilol and Insulin glargine: 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 Carvedilol (Coreg) label · effective 2026-07-31
Insulin and oral hypoglycemics action may be enhanced.
Insulin or Oral Hypoglycemics β-blockers may enhance the blood-sugar-reducing effect of insulin and oral hypoglycemics.
Therefore, in patients taking insulin or oral hypoglycemics, regular monitoring of blood glucose is recommended [see Warnings and Precautions (5.6) ].
From the Insulin glargine label · effective 2026-01-23
Symptomatic awareness of hypoglycemia may be less pronounced in patients with longstanding diabetes, in patients with diabetic neuropathy, using drugs that block the sympathetic nervous system (e.g., beta-blockers) [see Drug Interactions (7) ] , or who experience recurrent hypoglycemia.
Drugs that May Increase or Decrease the Blood Glucose Lowering Effect of Insulin Glargine-yfgn Drugs: Alcohol, beta-blockers, clonidine, and lithium salts.
Drugs that May Blunt Signs and Symptoms of Hypoglycemia Drugs: Beta-blockers, clonidine, guanethidine, and reserpine.
• Antiadrenergic Drugs (e.g., beta-blockers, clonidine, guanethidine, and reserpine): Signs and symptoms of hypoglycemia may be reduced or absent.
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.