Drug interactions
Bumetanide + Olanzapine / samidorphan
Severity: Moderate
Bumetanide and Olanzapine / samidorphan: 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
Olanzapine can cause orthostatic hypotension, which may add to the blood pressure lowering and volume depletion produced by bumetanide. Dizziness, syncope and falls may occur, especially at treatment initiation or dose increases.
What this interaction means in plain words
Bumetanide and Olanzapine / samidorphan 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.
Why it happens
Additive hypotensive effects from alpha-1 adrenergic blockade by olanzapine and diuretic-induced volume depletion.
What to do
Monitor blood pressure and orthostatic symptoms, particularly during initiation and dose changes. Reduce the bumetanide dose or titrate olanzapine slowly if hypotension occurs.
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 Bumetanide
Frequently asked questions
Can I take Bumetanide with Olanzapine / samidorphan?
MediHelp rates the interaction as moderate. Bumetanide and Olanzapine / samidorphan 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. Olanzapine can cause orthostatic hypotension, which may add to the blood pressure lowering and volume depletion produced by bumetanide. Dizziness, syncope and falls may occur, especially at treatment initiation or dose increases.
How serious is the interaction between Bumetanide and Olanzapine / samidorphan?
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 and orthostatic symptoms, particularly during initiation and dose changes. Reduce the bumetanide dose or titrate olanzapine slowly if hypotension occurs.
What other medicines interact with Bumetanide?
MediHelp also lists interactions of Bumetanide with, for example, Amifostine, Amikacin, Captopril-hydrochlorothiazide. The full list is on the Bumetanide page.
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