Drug interactions
Midodrine + Moxonidine
Severity: Moderate
Midodrine 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 lowers sympathetic outflow, whereas midodrine raises blood pressure through peripheral alpha-1 stimulation. They have opposing effects, which may reduce the efficacy of one or both drugs and make blood pressure control unpredictable.
What this interaction means in plain words
Midodrine 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
Opposing pharmacodynamic effects on blood pressure: central imidazoline receptor-mediated sympathetic inhibition versus peripheral alpha-1 agonism.
What to do
Monitor blood pressure, including supine and standing readings, and adjust doses of either drug as needed. Reassess whether both agents are 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 Midodrine
- Isocarboxazid + Midodrine Contraindicated
- Midodrine + Phenelzine Contraindicated
- Midodrine + Tranylcypromine Contraindicated
- Dextroamphetamine + Midodrine Major
- Dihydroergotamine intranasal + Midodrine Major
- Dihydroergotamine + Midodrine Major
Frequently asked questions
Can I take Midodrine with Moxonidine?
MediHelp rates the interaction as moderate. Midodrine 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 lowers sympathetic outflow, whereas midodrine raises blood pressure through peripheral alpha-1 stimulation. They have opposing effects, which may reduce the efficacy of one or both drugs and make blood pressure control unpredictable.
How serious is the interaction between Midodrine 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, including supine and standing readings, and adjust doses of either drug as needed. Reassess whether both agents are needed.
What other medicines interact with Midodrine?
MediHelp also lists interactions of Midodrine with, for example, Isocarboxazid, Phenelzine, Tranylcypromine. The full list is on the Midodrine page.
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