Drug interactions
Chlorothiazide + Glimepiride-pioglitazone
Severity: Minor
Chlorothiazide and Glimepiride-pioglitazone: 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
Thiazide diuretics can raise blood glucose, which may offset the effects of glimepiride and pioglitazone. The effect is mostly seen at higher doses.
What this interaction means in plain words
Chlorothiazide and Glimepiride-pioglitazone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Chlorothiazide belongs to Cardiovascular; Glimepiride-pioglitazone belongs to Endocrine.
Why it happens
Pharmacodynamic antagonism through thiazide-induced impairment of glucose tolerance and potassium depletion.
What to do
Monitor blood glucose and potassium and adjust antidiabetic doses if control worsens.
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 Chlorothiazide
Frequently asked questions
Can I take Chlorothiazide with Glimepiride-pioglitazone?
MediHelp rates the interaction as minor. Chlorothiazide and Glimepiride-pioglitazone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Thiazide diuretics can raise blood glucose, which may offset the effects of glimepiride and pioglitazone. The effect is mostly seen at higher doses.
How serious is the interaction between Chlorothiazide and Glimepiride-pioglitazone?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood glucose and potassium and adjust antidiabetic doses if control worsens.
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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