Drug interactions
Hydrochlorothiazide-valsartan + Prednisolone
Severity: Moderate
Hydrochlorothiazide-valsartan and Prednisolone: 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
Both drugs promote potassium loss, so combined use can cause hypokalemia. This may increase the risk of arrhythmia and muscle weakness, particularly with prolonged or high-dose corticosteroids.
What this interaction means in plain words
Hydrochlorothiazide-valsartan and Prednisolone 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.
Hydrochlorothiazide-valsartan belongs to Cardiovascular; Prednisolone belongs to Endocrine.
Why it happens
Additive renal potassium wasting from thiazide-induced distal sodium delivery and corticosteroid mineralocorticoid activity.
What to do
Monitor serum potassium and magnesium periodically and supplement potassium if needed.
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?
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Other interactions of Hydrochlorothiazide-valsartan
- Aliskiren + Hydrochlorothiazide-valsartan Contraindicated
- Dofetilide + Hydrochlorothiazide-valsartan Contraindicated
- Hydrochlorothiazide-valsartan + Sparsentan Contraindicated
- Aldesleukin + Hydrochlorothiazide-valsartan Major
- Amifostine + Hydrochlorothiazide-valsartan Major
- Amiloride + Hydrochlorothiazide-valsartan Major
Other interactions of Prednisolone
- Bcg vaccine live + Prednisolone Contraindicated
- Measles mumps and rubella vaccine live + Prednisolone Contraindicated
- Measles mumps rubella and varicella vaccine live + Prednisolone Contraindicated
- Measles vaccine + Prednisolone Contraindicated
- Mifepristone + Prednisolone Contraindicated
- Prednisolone + Radium-223 dichloride Contraindicated
Frequently asked questions
Can I take Hydrochlorothiazide-valsartan with Prednisolone?
MediHelp rates the interaction as moderate. Hydrochlorothiazide-valsartan and Prednisolone 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. Both drugs promote potassium loss, so combined use can cause hypokalemia. This may increase the risk of arrhythmia and muscle weakness, particularly with prolonged or high-dose corticosteroids.
How serious is the interaction between Hydrochlorothiazide-valsartan and Prednisolone?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor serum potassium and magnesium periodically and supplement potassium if needed.
What other medicines interact with Hydrochlorothiazide-valsartan?
MediHelp also lists interactions of Hydrochlorothiazide-valsartan with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Hydrochlorothiazide-valsartan page.
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