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Drug interactions

Butalbital + Cinacalcet

Severity: Minor

Butalbital and Cinacalcet: 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

Butalbital is a barbiturate with enzyme-inducing potential, which may reduce cinacalcet exposure. Usual intermittent analgesic use makes the effect small, but regular use could reduce efficacy.

What this interaction means in plain words

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

Evidence level: Low

Why it happens

Barbiturate-mediated induction of CYP3A4 and other enzymes increases cinacalcet clearance.

What to do

Monitor serum calcium and PTH if butalbital is used regularly. Adjust cinacalcet 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?

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 Butalbital with Cinacalcet?

MediHelp rates the interaction as minor. Butalbital and Cinacalcet have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Butalbital is a barbiturate with enzyme-inducing potential, which may reduce cinacalcet exposure. Usual intermittent analgesic use makes the effect small, but regular use could reduce efficacy.

How serious is the interaction between Butalbital and Cinacalcet?

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 serum calcium and PTH if butalbital is used regularly. Adjust cinacalcet if control worsens.

What other medicines interact with Cinacalcet?

MediHelp also lists interactions of Cinacalcet with, for example, Etelcalcetide, Eliglustat, Metoclopramide. The full list is on the Cinacalcet page.

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