Drug interactions
Colestipol + Fosinopril-hydrochlorothiazide
Severity: Moderate
Colestipol 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
Colestipol binds hydrochlorothiazide in the gut and markedly reduces its absorption. This can lessen the diuretic and antihypertensive effect.
What this interaction means in plain words
Colestipol 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.
Colestipol belongs to Cardiovascular; Fosinopril-hydrochlorothiazide belongs to Cardiovascular.
Why it happens
Anion-exchange resin binds hydrochlorothiazide in the gastrointestinal tract, reducing absorption.
What to do
Give hydrochlorothiazide at least 1 hour before or 4 hours after colestipol. Monitor blood pressure.
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 Colestipol
- Amlodipine-hydrochlorothiazide-valsartan + Colestipol Moderate
- Amlodipine-olmesartan-hydrochlorothiazide + Colestipol Moderate
- Atenolol-chlorthalidone + Colestipol Moderate
- Azilsartan-chlorthalidone + Colestipol Moderate
- Candesartan-hydrochlorothiazide + Colestipol Moderate
- Captopril-hydrochlorothiazide + Colestipol Moderate
Frequently asked questions
Can I take Colestipol with Fosinopril-hydrochlorothiazide?
MediHelp rates the interaction as moderate. Colestipol 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. Colestipol binds hydrochlorothiazide in the gut and markedly reduces its absorption. This can lessen the diuretic and antihypertensive effect.
How serious is the interaction between Colestipol 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: Give hydrochlorothiazide at least 1 hour before or 4 hours after colestipol. Monitor blood pressure.
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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