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Drug interactions

Amobarbital + Apremilast

Severity: Moderate

Amobarbital and Apremilast: 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

Amobarbital is an enzyme inducer and may lower apremilast concentrations. This can reduce its therapeutic benefit in psoriasis or psoriatic arthritis.

What this interaction means in plain words

Amobarbital and Apremilast 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.

Amobarbital belongs to Central Nervous System; Apremilast belongs to Miscellaneous.

Evidence level: Moderate

Why it happens

Induction of CYP3A4-mediated apremilast metabolism by the barbiturate.

What to do

Apremilast labeling advises avoiding strong CYP3A4 inducers; choose a non-inducing alternative to the barbiturate. If coadministered, monitor for loss of efficacy.

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?

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 Amobarbital with Apremilast?

MediHelp rates the interaction as moderate. Amobarbital and Apremilast 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. Amobarbital is an enzyme inducer and may lower apremilast concentrations. This can reduce its therapeutic benefit in psoriasis or psoriatic arthritis.

How serious is the interaction between Amobarbital and Apremilast?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Apremilast labeling advises avoiding strong CYP3A4 inducers; choose a non-inducing alternative to the barbiturate. If coadministered, monitor for loss of efficacy.

What other medicines interact with Amobarbital?

MediHelp also lists interactions of Amobarbital with, for example, Calcium / magnesium / potassium / sodium oxybates, Doravirine, Elbasvir / grazoprevir. The full list is on the Amobarbital page.

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