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Drug interactions

Amlodipine-hydrochlorothiazide-valsartan + Ofloxacin

Severity: Minor

Amlodipine-hydrochlorothiazide-valsartan and Ofloxacin: 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

Ofloxacin is renally eliminated, and thiazide-related volume depletion may modestly raise its levels. Fluoroquinolones can also cause QT prolongation, which is more likely if the diuretic causes hypokalemia or hypomagnesemia.

What this interaction means in plain words

Amlodipine-hydrochlorothiazide-valsartan and Ofloxacin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Amlodipine-hydrochlorothiazide-valsartan belongs to Cardiovascular; Ofloxacin belongs to Anti Bacterial.

Evidence level: Low

Why it happens

Possible reduced renal clearance of ofloxacin and diuretic-induced electrolyte disturbance increasing QT risk.

What to do

Correct potassium and magnesium before and during ofloxacin therapy and adjust the dose in renal impairment.

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 Amlodipine-hydrochlorothiazide-valsartan with Ofloxacin?

MediHelp rates the interaction as minor. Amlodipine-hydrochlorothiazide-valsartan and Ofloxacin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Ofloxacin is renally eliminated, and thiazide-related volume depletion may modestly raise its levels. Fluoroquinolones can also cause QT prolongation, which is more likely if the diuretic causes hypokalemia or hypomagnesemia.

How serious is the interaction between Amlodipine-hydrochlorothiazide-valsartan and Ofloxacin?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Correct potassium and magnesium before and during ofloxacin therapy and adjust the dose in renal impairment.

What other medicines interact with Amlodipine-hydrochlorothiazide-valsartan?

MediHelp also lists interactions of Amlodipine-hydrochlorothiazide-valsartan with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Amlodipine-hydrochlorothiazide-valsartan page.

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