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Drug interactions

Aluminum hydroxide + Quinapril

Severity: Minor

Aluminum hydroxide and Quinapril: 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

Antacids containing aluminum and magnesium may reduce quinapril absorption. Quinapril tablets contain magnesium carbonate, so the effect is likely small and the evidence is limited.

What this interaction means in plain words

Aluminum hydroxide and Quinapril 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

Reduced gastrointestinal absorption of quinapril is suspected; the mechanism is not well established.

What to do

Separate doses by about 2 hours. Monitor blood pressure if antacids are used regularly.

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 Aluminum hydroxide with Quinapril?

MediHelp rates the interaction as minor. Aluminum hydroxide and Quinapril have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Antacids containing aluminum and magnesium may reduce quinapril absorption. Quinapril tablets contain magnesium carbonate, so the effect is likely small and the evidence is limited.

How serious is the interaction between Aluminum hydroxide and Quinapril?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Separate doses by about 2 hours. Monitor blood pressure if antacids are used regularly.

What other medicines interact with Aluminum hydroxide?

MediHelp also lists interactions of Aluminum hydroxide with, for example, Ciprofloxacin, Deferasirox, Dolutegravir. The full list is on the Aluminum hydroxide page.

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