Drug interactions
Amlodipine-hydrochlorothiazide-valsartan + Calcium carbonate
Severity: Moderate
Amlodipine-hydrochlorothiazide-valsartan and Calcium carbonate: 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
Thiazides reduce urinary calcium excretion, and with calcium carbonate this can cause hypercalcemia and milk-alkali syndrome, especially with high doses or renal impairment. High-dose calcium may also reduce calcium channel blocker effects, although this is rarely clinically significant at usual intakes.
What this interaction means in plain words
Amlodipine-hydrochlorothiazide-valsartan and Calcium carbonate 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.
Amlodipine-hydrochlorothiazide-valsartan belongs to Cardiovascular; Calcium carbonate belongs to Gastrointestinal Tract.
Why it happens
Thiazide-reduced renal calcium excretion plus calcium load leading to hypercalcemia.
What to do
Monitor serum calcium and renal function, particularly with high calcium doses or long-term use. Reduce calcium supplementation if hypercalcemia develops.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Amlodipine-hydrochlorothiazide-valsartan and Calcium carbonate, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
Other interactions of Amlodipine-hydrochlorothiazide-valsartan
- Aliskiren + Amlodipine-hydrochlorothiazide-valsartan Contraindicated
- Amlodipine-hydrochlorothiazide-valsartan + Dofetilide Contraindicated
- Amlodipine-hydrochlorothiazide-valsartan + Sparsentan Contraindicated
- Aceclofenac + Amlodipine-hydrochlorothiazide-valsartan Major
- Aldesleukin + Amlodipine-hydrochlorothiazide-valsartan Major
- Amifostine + Amlodipine-hydrochlorothiazide-valsartan Major
Other interactions of Calcium carbonate
Frequently asked questions
Can I take Amlodipine-hydrochlorothiazide-valsartan with Calcium carbonate?
MediHelp rates the interaction as moderate. Amlodipine-hydrochlorothiazide-valsartan and Calcium carbonate 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. Thiazides reduce urinary calcium excretion, and with calcium carbonate this can cause hypercalcemia and milk-alkali syndrome, especially with high doses or renal impairment. High-dose calcium may also reduce calcium channel blocker effects, although this is rarely clinically significant at usual intakes.
How serious is the interaction between Amlodipine-hydrochlorothiazide-valsartan and Calcium carbonate?
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 calcium and renal function, particularly with high calcium doses or long-term use. Reduce calcium supplementation if hypercalcemia develops.
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.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
