Drug interactions
Glimepiride-pioglitazone + Secobarbital
Severity: Minor
Glimepiride-pioglitazone and Secobarbital: minor 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
Secobarbital is an inducer of hepatic enzymes and may increase the metabolism of pioglitazone, which is partly cleared by CYP2C8 and CYP3A4. Glycemic control could be somewhat reduced, although the clinical effect is not well documented. Glimepiride, metabolized by CYP2C9, may be affected similarly.
What this interaction means in plain words
Glimepiride-pioglitazone and Secobarbital have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Glimepiride-pioglitazone belongs to Endocrine; Secobarbital belongs to Central Nervous System.
Why it happens
Barbiturate induction of hepatic CYP enzymes may increase clearance of pioglitazone and glimepiride.
What to do
No routine dose change is needed; check glucose control if barbiturate therapy is started or stopped for a prolonged period.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Glimepiride-pioglitazone
Other interactions of Secobarbital
- Calcium / magnesium / potassium / sodium oxybates + Secobarbital Contraindicated
- Doravirine + Secobarbital Contraindicated
- Elbasvir / grazoprevir + Secobarbital Contraindicated
- Elvitegravir / cobicistat / emtricitabine / tenofovir df + Secobarbital Contraindicated
- Isavuconazonium + Secobarbital Contraindicated
- Lonafarnib + Secobarbital Contraindicated
Frequently asked questions
Can I take Glimepiride-pioglitazone with Secobarbital?
MediHelp rates the interaction as minor. Glimepiride-pioglitazone and Secobarbital have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Secobarbital is an inducer of hepatic enzymes and may increase the metabolism of pioglitazone, which is partly cleared by CYP2C8 and CYP3A4. Glycemic control could be somewhat reduced, although the clinical effect is not well documented. Glimepiride, metabolized by CYP2C9, may be affected similarly.
How serious is the interaction between Glimepiride-pioglitazone and Secobarbital?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine dose change is needed; check glucose control if barbiturate therapy is started or stopped for a prolonged period.
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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