Drug interactions
Glimepiride-pioglitazone + Sulfamethoxypyridazine
Severity: Moderate
Glimepiride-pioglitazone and Sulfamethoxypyridazine: 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
This long-acting sulfonamide may potentiate the hypoglycemic effect of glimepiride, as seen with other sulfonamide antibiotics. A clinically important effect on pioglitazone is less likely.
What this interaction means in plain words
Glimepiride-pioglitazone and Sulfamethoxypyridazine 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
Sulfonamides may inhibit CYP2C9 metabolism and displace sulfonylureas from protein binding; the exact mechanism for this agent is not well established.
What to do
Monitor blood glucose during co-administration and adjust the glimepiride dose if hypoglycemia occurs. Educate the patient on hypoglycemia symptoms.
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 Glimepiride-pioglitazone
Frequently asked questions
Can I take Glimepiride-pioglitazone with Sulfamethoxypyridazine?
MediHelp rates the interaction as moderate. Glimepiride-pioglitazone and Sulfamethoxypyridazine 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. This long-acting sulfonamide may potentiate the hypoglycemic effect of glimepiride, as seen with other sulfonamide antibiotics. A clinically important effect on pioglitazone is less likely.
How serious is the interaction between Glimepiride-pioglitazone and Sulfamethoxypyridazine?
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 during co-administration and adjust the glimepiride dose if hypoglycemia occurs. Educate the patient on hypoglycemia symptoms.
What other medicines interact with Glimepiride-pioglitazone?
MediHelp also lists interactions of Glimepiride-pioglitazone with, for example, Fluconazole, Gemfibrozil, Insulin aspart. The full list is on the Glimepiride-pioglitazone page.
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