Drug interactions
Clonidine + Insulin glargine
Severity: Moderate
Clonidine and Insulin glargine: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Clonidine may mask adrenergic warning symptoms of hypoglycemia in insulin-treated patients. This can delay recognition and treatment of low glucose.
What this interaction means in plain words
Clonidine and Insulin glargine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Clonidine belongs to Cardiovascular; Insulin glargine belongs to Endocrine.
Why it happens
Central alpha-2 agonism reduces sympathetic outflow and catecholamine-mediated hypoglycemia symptoms.
What to do
Increase glucose self-monitoring and educate the patient that symptoms may be diminished. Adjust the insulin dose based on measured glucose.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Clonidine
- Acebutolol + Clonidine Major
- Amifostine + Clonidine Major
- Amiodarone + Clonidine Major
- Amoxapine + Clonidine Major
- Atenolol-chlorthalidone + Clonidine Major
- Atenolol + Clonidine Major
Other interactions of Insulin glargine
Frequently asked questions
Can I take Clonidine with Insulin glargine?
MediHelp rates the interaction as moderate. Clonidine and Insulin glargine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Clonidine may mask adrenergic warning symptoms of hypoglycemia in insulin-treated patients. This can delay recognition and treatment of low glucose.
How serious is the interaction between Clonidine and Insulin glargine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Increase glucose self-monitoring and educate the patient that symptoms may be diminished. Adjust the insulin dose based on measured glucose.
What other medicines interact with Clonidine?
MediHelp also lists interactions of Clonidine with, for example, Acebutolol, Amifostine, Amiodarone. The full list is on the Clonidine page.
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