Drug interactions
Insulin aspart + Ritonavir
Severity: Moderate
Insulin aspart 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 can induce insulin resistance and hyperglycemia, so insulin needs may rise. This may reduce glycemic control in diabetic patients.
What this interaction means in plain words
Insulin aspart 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.
Insulin aspart belongs to Endocrine; Ritonavir belongs to Anti Virals.
Why it happens
Protease inhibitors impair insulin signaling and glucose uptake (GLUT4 inhibition), causing insulin resistance.
What to do
Monitor glucose regularly after ritonavir is started or stopped. Increase or reduce the insulin aspart dose 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 Insulin aspart
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 Insulin aspart with Ritonavir?
MediHelp rates the interaction as moderate. Insulin aspart 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 can induce insulin resistance and hyperglycemia, so insulin needs may rise. This may reduce glycemic control in diabetic patients.
How serious is the interaction between Insulin aspart 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 glucose regularly after ritonavir is started or stopped. Increase or reduce the insulin aspart dose as needed.
What other medicines interact with Insulin aspart?
MediHelp also lists interactions of Insulin aspart with, for example, Alogliptin-pioglitazone, Ethanol, Glimepiride-pioglitazone. The full list is on the Insulin aspart page.
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