Drug interactions
Aluminum hydroxide + Ascorbic acid
Severity: Minor
Aluminum hydroxide and Ascorbic acid: 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
Vitamin C may increase gastrointestinal absorption of aluminum from antacids. This is mainly relevant in patients with renal impairment who accumulate aluminum.
What this interaction means in plain words
Aluminum hydroxide and Ascorbic acid have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Ascorbic acid forms soluble complexes with aluminum, which may enhance its absorption.
What to do
In patients with renal impairment on long-term aluminum antacids, avoid taking vitamin C concurrently and limit aluminum exposure.
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?
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Other interactions of Aluminum hydroxide
Frequently asked questions
Can I take Aluminum hydroxide with Ascorbic acid?
MediHelp rates the interaction as minor. Aluminum hydroxide and Ascorbic acid have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Vitamin C may increase gastrointestinal absorption of aluminum from antacids. This is mainly relevant in patients with renal impairment who accumulate aluminum.
How serious is the interaction between Aluminum hydroxide and Ascorbic acid?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: In patients with renal impairment on long-term aluminum antacids, avoid taking vitamin C concurrently and limit aluminum exposure.
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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