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Drug interactions

Fosinopril-hydrochlorothiazide + Lanthanum carbonate

Severity: Moderate

Fosinopril-hydrochlorothiazide and Lanthanum carbonate: 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

Lanthanum can bind to fosinopril in the gut and reduce its absorption, which may weaken blood pressure control. The effect is avoidable by separating doses.

What this interaction means in plain words

Fosinopril-hydrochlorothiazide and Lanthanum carbonate 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.

Fosinopril-hydrochlorothiazide belongs to Cardiovascular; Lanthanum carbonate belongs to Miscellaneous.

Evidence level: Moderate

Why it happens

Chelation or binding of the ACE inhibitor by the polyvalent cation in the gastrointestinal tract reduces absorption.

What to do

Give fosinopril-hydrochlorothiazide at least 2 hours before or after lanthanum carbonate. Monitor blood pressure.

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 Fosinopril-hydrochlorothiazide with Lanthanum carbonate?

MediHelp rates the interaction as moderate. Fosinopril-hydrochlorothiazide and Lanthanum carbonate 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. Lanthanum can bind to fosinopril in the gut and reduce its absorption, which may weaken blood pressure control. The effect is avoidable by separating doses.

How serious is the interaction between Fosinopril-hydrochlorothiazide and Lanthanum carbonate?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Give fosinopril-hydrochlorothiazide at least 2 hours before or after lanthanum carbonate. Monitor blood pressure.

What other medicines interact with Fosinopril-hydrochlorothiazide?

MediHelp also lists interactions of Fosinopril-hydrochlorothiazide with, for example, Aliskiren, Dofetilide, Protein a column. The full list is on the Fosinopril-hydrochlorothiazide page.

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