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Drug interactions

Captopril-hydrochlorothiazide + Pivmecillinam

Severity: Minor

Captopril-hydrochlorothiazide and Pivmecillinam: 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

Thiazides may slightly reduce renal excretion of beta-lactams such as mecillinam, the active metabolite of pivmecillinam. Clinical significance is generally low.

What this interaction means in plain words

Captopril-hydrochlorothiazide and Pivmecillinam have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Captopril-hydrochlorothiazide belongs to Cardiovascular; Pivmecillinam belongs to Anti Bacterial.

Evidence level: Low

Why it happens

Possible competition for renal tubular secretion reduces clearance of mecillinam.

What to do

No routine adjustment is needed. Consider renal function when dosing in patients with impaired kidney function.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Captopril-hydrochlorothiazide with Pivmecillinam?

MediHelp rates the interaction as minor. Captopril-hydrochlorothiazide and Pivmecillinam have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Thiazides may slightly reduce renal excretion of beta-lactams such as mecillinam, the active metabolite of pivmecillinam. Clinical significance is generally low.

How serious is the interaction between Captopril-hydrochlorothiazide and Pivmecillinam?

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 adjustment is needed. Consider renal function when dosing in patients with impaired kidney function.

What other medicines interact with Captopril-hydrochlorothiazide?

MediHelp also lists interactions of Captopril-hydrochlorothiazide with, for example, Aliskiren, Dofetilide, Sacubitril / valsartan. The full list is on the Captopril-hydrochlorothiazide page.

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