Drug interactions
Fosamprenavir + Miglitol
Severity: Moderate
Fosamprenavir and Miglitol: 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
Fosamprenavir, a prodrug of amprenavir, may cause insulin resistance and hyperglycemia as with other protease inhibitors. This can reduce the glycemic effect of miglitol.
What this interaction means in plain words
Fosamprenavir and Miglitol 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.
Why it happens
Pharmacodynamic antagonism through protease inhibitor-related insulin resistance.
What to do
Monitor blood glucose and HbA1c after starting fosamprenavir. 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 Miglitol
- Miglitol + Pramlintide Major
- Aripiprazole + Miglitol Moderate
- Asenapine + Miglitol Moderate
- Chlorthalidone + Miglitol Moderate
- Clozapine + Miglitol Moderate
- Cortisone + Miglitol Moderate
Frequently asked questions
Can I take Fosamprenavir with Miglitol?
MediHelp rates the interaction as moderate. Fosamprenavir and Miglitol 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. Fosamprenavir, a prodrug of amprenavir, may cause insulin resistance and hyperglycemia as with other protease inhibitors. This can reduce the glycemic effect of miglitol.
How serious is the interaction between Fosamprenavir and Miglitol?
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 fosamprenavir. Adjust antidiabetic therapy as needed.
What other medicines interact with Miglitol?
MediHelp also lists interactions of Miglitol with, for example, Pramlintide, Aripiprazole, Asenapine. The full list is on the Miglitol page.
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