Drug interactions
Exenatide + Ritonavir
Severity: Moderate
Exenatide and Ritonavir: 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
Ritonavir, like other protease inhibitors, has been associated with insulin resistance and hyperglycemia. This may reduce the effectiveness of exenatide and worsen glycemic control.
What this interaction means in plain words
Exenatide and Ritonavir 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.
Exenatide belongs to Endocrine; Ritonavir belongs to Anti Virals.
Why it happens
Pharmacodynamic antagonism through protease inhibitor-associated insulin resistance and impaired glucose metabolism.
What to do
Monitor blood glucose and HbA1c after starting or changing the antiretroviral regimen, and adjust antidiabetic therapy as needed.
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 Exenatide
- Chlorpropamide + Exenatide Major
- Asenapine + Exenatide Moderate
- Betamethasone + Exenatide Moderate
- Chlorothiazide + Exenatide Moderate
- Clozapine + Exenatide Moderate
- Cortisone + Exenatide Moderate
Other interactions of Ritonavir
- Alfuzosin + Ritonavir Contraindicated
- Amiodarone + Ritonavir Contraindicated
- Avanafil + Ritonavir Contraindicated
- Colchicine + Ritonavir Contraindicated
- Dronedarone + Ritonavir Contraindicated
- Eletriptan + Ritonavir Contraindicated
Frequently asked questions
Can I take Exenatide with Ritonavir?
MediHelp rates the interaction as moderate. Exenatide and Ritonavir 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. Ritonavir, like other protease inhibitors, has been associated with insulin resistance and hyperglycemia. This may reduce the effectiveness of exenatide and worsen glycemic control.
How serious is the interaction between Exenatide and Ritonavir?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood glucose and HbA1c after starting or changing the antiretroviral regimen, and adjust antidiabetic therapy as needed.
What other medicines interact with Exenatide?
MediHelp also lists interactions of Exenatide with, for example, Chlorpropamide, Asenapine, Betamethasone. The full list is on the Exenatide page.
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