Drug interactions
Fosinopril-hydrochlorothiazide + Minoxidil
Severity: Moderate
Fosinopril-hydrochlorothiazide and Minoxidil: 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
Minoxidil is a potent vasodilator and combining it with a thiazide and an ACE inhibitor produces additive blood pressure lowering. Diuretics are in fact commonly co-prescribed to counter minoxidil-related fluid retention, but hypotension and electrolyte disturbances can occur.
What this interaction means in plain words
Fosinopril-hydrochlorothiazide and Minoxidil 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.
Fosinopril-hydrochlorothiazide belongs to Cardiovascular; Minoxidil belongs to Cardiovascular.
Why it happens
Additive pharmacodynamic antihypertensive effects, with diuretic offsetting minoxidil sodium and water retention.
What to do
Monitor blood pressure, heart rate, weight and electrolytes, and titrate doses gradually.
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 Minoxidil
Frequently asked questions
Can I take Fosinopril-hydrochlorothiazide with Minoxidil?
MediHelp rates the interaction as moderate. Fosinopril-hydrochlorothiazide and Minoxidil 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. Minoxidil is a potent vasodilator and combining it with a thiazide and an ACE inhibitor produces additive blood pressure lowering. Diuretics are in fact commonly co-prescribed to counter minoxidil-related fluid retention, but hypotension and electrolyte disturbances can occur.
How serious is the interaction between Fosinopril-hydrochlorothiazide and Minoxidil?
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 blood pressure, heart rate, weight and electrolytes, and titrate doses gradually.
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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