Drug interactions
Dalteparin + Fosinopril-hydrochlorothiazide
Severity: Moderate
Dalteparin and Fosinopril-hydrochlorothiazide: 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
Heparins, including low molecular weight heparins, can suppress aldosterone secretion and cause hyperkalemia. The risk is increased with an ACE inhibitor, particularly in renal impairment, diabetes or prolonged use.
What this interaction means in plain words
Dalteparin and Fosinopril-hydrochlorothiazide 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.
Dalteparin belongs to Cardiovascular; Fosinopril-hydrochlorothiazide belongs to Cardiovascular.
Why it happens
Heparin-induced inhibition of adrenal aldosterone synthesis adds to ACE inhibitor reduction of aldosterone.
What to do
Monitor serum potassium and renal function, especially if dalteparin is used for more than a few days. Treat hyperkalemia if it develops and reassess the need for the combination.
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 Fosinopril-hydrochlorothiazide
- Aliskiren + Fosinopril-hydrochlorothiazide Contraindicated
- Dofetilide + Fosinopril-hydrochlorothiazide Contraindicated
- Fosinopril-hydrochlorothiazide + Protein a column Contraindicated
- Fosinopril-hydrochlorothiazide + Sacubitril / valsartan Contraindicated
- Aldesleukin + Fosinopril-hydrochlorothiazide Major
- Amifostine + Fosinopril-hydrochlorothiazide Major
Other interactions of Dalteparin
- Dalteparin + Defibrotide Contraindicated
- Dalteparin + Ketorolac Contraindicated
- Dalteparin + Mifepristone Contraindicated
- Abciximab + Dalteparin Major
- Acalabrutinib + Dalteparin Major
- Aceclofenac + Dalteparin Major
Frequently asked questions
Can I take Dalteparin with Fosinopril-hydrochlorothiazide?
MediHelp rates the interaction as moderate. Dalteparin and Fosinopril-hydrochlorothiazide 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. Heparins, including low molecular weight heparins, can suppress aldosterone secretion and cause hyperkalemia. The risk is increased with an ACE inhibitor, particularly in renal impairment, diabetes or prolonged use.
How serious is the interaction between Dalteparin and Fosinopril-hydrochlorothiazide?
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 renal function, especially if dalteparin is used for more than a few days. Treat hyperkalemia if it develops and reassess the need for the combination.
What other medicines interact with Fosinopril-hydrochlorothiazide?
MediHelp also lists interactions of Fosinopril-hydrochlorothiazide with, for example, Aliskiren, Dofetilide, Protein a column. The full list is on the Fosinopril-hydrochlorothiazide page.
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