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Insulin Aspart and Clonidine Interaction

Drug interaction information between Insulin Aspart and Clonidine.

Insulin Aspart and Clonidine have a documented minor interaction in FDA labeling.

FDA drug labeling documents a minor-severity interaction between Insulin Aspart and Clonidine. Major interactions are generally avoided, moderate ones may need monitoring or a dose adjustment, and minor ones are usually low-risk. This page shows the documented mechanism and guidance. Label-documented interactions are not a complete safety review, so always confirm your own medications with a pharmacist or doctor. Educational information, not medical advice.

Drug A

Insulin Aspart

Rapid-Acting Insulin

Drug B

Clonidine

Central Alpha-2 Agonist

How They Interact

Clonidine can cause your blood sugar to either rise or fall and may also hide the physical warning signs of low blood sugar. This makes it harder to tell if your blood sugar is dropping to a dangerous level.

What To Do

You should check your blood sugar more often and talk to your doctor about how to stay safe if you cannot feel the symptoms of low blood sugar.

FDA Label Information

Drugs That May Increase or Decrease the Blood Glucose Lowering Effect of NOVOLOG Drugs: Alcohol, beta-blockers, clonidine, and lithium salts. Drugs That May Blunt Signs and Symptoms of Hypoglycemia Drugs: Beta-blockers, clonidine, guanethidine and reserpine Intervention: Increased frequency of glucose monitoring may be required when NOVOLOG is concomitantly administered with these drugs. • Drugs that may increase or decrease the blood glucose lowering effect: alcohol, beta-blockers, clonidine, lithium salts, and pentamidine ( 7 ).

Insulin Aspart Also Interacts With

View all Insulin Aspart interactions →

Clonidine Also Interacts With

View all Clonidine interactions →

Frequently Asked Questions

Can I take Insulin Aspart and Clonidine together?

This is a minor interaction. You should check your blood sugar more often and talk to your doctor about how to stay safe if you cannot feel the symptoms of low blood sugar.

How serious is the interaction between Insulin Aspart and Clonidine?

This interaction is classified as "minor" severity by the FDA. Minor interactions are unlikely to cause significant problems but should still be mentioned to your healthcare provider.

Why do Insulin Aspart and Clonidine interact?

Clonidine can cause your blood sugar to either rise or fall and may also hide the physical warning signs of low blood sugar. This makes it harder to tell if your blood sugar is dropping to a dangerous level.

Understanding the Insulin Aspart and Clonidine Interaction

FDA-approved prescribing information for these two drugs flags their combination as a minor-severity interaction. Insulin Aspart belongs to the Rapid-Acting Insulin class and Clonidine belongs to the Central Alpha-2 Agonist class - two categories that can collide when co-prescribed. The mechanism described in FDA labeling is: Clonidine can cause your blood sugar to either rise or fall and may also hide the physical warning signs of low blood sugar. Severity tiers matter: major flags generally advise avoidance, moderate flags often require monitoring or dose adjustment, and minor flags may only call for awareness.

Context around a specific patient determines real-world impact. Insulin Aspart has 11 total documented interactions on file in this dataset, and Clonidine has 29. Each additional medication compounds the interaction surface, which is why pharmacists run full-profile checks rather than evaluating one pair at a time. FDA-derived guidance for this pair is: You should check your blood sugar more often and talk to your doctor about how to stay safe if you cannot feel the symptoms of low blood sugar. Timing of doses, renal and hepatic function, age, and other concurrent prescriptions all shape whether a labeled interaction matters clinically.

An interaction flag is not a verdict. A large share of labeled interactions are managed routinely in clinical practice, the fix may be as simple as spacing doses or adding a monitoring test. Others require the prescriber to choose a different medication entirely. This page surfaces FDA-sourced labeling and openFDA data for educational purposes only; it is not medical advice and cannot account for your full clinical picture. Never start, stop, or adjust either Insulin Aspart or Clonidine based on a web page, speak with your prescriber or pharmacist before making any change.

Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. Always consult your healthcare provider about drug interactions.