Drug interactions
Hydromorphone + Moxonidine
Severity: Moderate
Hydromorphone and Moxonidine: 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
Moxonidine is a centrally acting antihypertensive that can cause sedation and hypotension. Together with an opioid it may increase drowsiness and lower blood pressure.
What this interaction means in plain words
Hydromorphone and Moxonidine 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 CNS depression and hypotensive effects from central imidazoline receptor agonism and opioid action.
What to do
Monitor blood pressure and sedation, particularly at initiation or dose increases, and adjust doses as needed.
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 Hydromorphone
- Alvimopan + Hydromorphone Contraindicated
- Bupropion-naltrexone + Hydromorphone Contraindicated
- Hydromorphone + Isocarboxazid Contraindicated
- Hydromorphone + Olanzapine / samidorphan Contraindicated
- Hydromorphone + Phenelzine Contraindicated
- Hydromorphone + Tranylcypromine Contraindicated
Frequently asked questions
Can I take Hydromorphone with Moxonidine?
MediHelp rates the interaction as moderate. Hydromorphone and Moxonidine 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. Moxonidine is a centrally acting antihypertensive that can cause sedation and hypotension. Together with an opioid it may increase drowsiness and lower blood pressure.
How serious is the interaction between Hydromorphone and Moxonidine?
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 sedation, particularly at initiation or dose increases, and adjust doses as needed.
What other medicines interact with Hydromorphone?
MediHelp also lists interactions of Hydromorphone with, for example, Alvimopan, Bupropion-naltrexone, Isocarboxazid. The full list is on the Hydromorphone page.
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