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Drug interactions

Atenolol-chlorthalidone + Folic acid

Severity: Minor

Atenolol-chlorthalidone and Folic 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

Thiazide diuretics may modestly increase urinary folate loss, but clinically significant folate deficiency from this is uncommon. The evidence is limited and no routine supplementation is required.

What this interaction means in plain words

Atenolol-chlorthalidone and Folic 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.

Atenolol-chlorthalidone belongs to Cardiovascular; Folic acid belongs to Miscellaneous.

Evidence level: Low

Why it happens

Possible increased renal folate clearance, which is not well established.

What to do

No action is needed unless the patient has other risk factors for folate deficiency; check folate status if anemia occurs.

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 Atenolol-chlorthalidone with Folic acid?

MediHelp rates the interaction as minor. Atenolol-chlorthalidone and Folic 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. Thiazide diuretics may modestly increase urinary folate loss, but clinically significant folate deficiency from this is uncommon. The evidence is limited and no routine supplementation is required.

How serious is the interaction between Atenolol-chlorthalidone and Folic 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: No action is needed unless the patient has other risk factors for folate deficiency; check folate status if anemia occurs.

What other medicines interact with Atenolol-chlorthalidone?

MediHelp also lists interactions of Atenolol-chlorthalidone with, for example, Acebutolol, Aldesleukin, Amiodarone. The full list is on the Atenolol-chlorthalidone page.

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