Drug interactions
Caffeine + Droxidopa
Severity: Moderate
Caffeine and Droxidopa: 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
Both agents can raise blood pressure and heart rate, so together they may worsen supine hypertension, which is the main safety concern with droxidopa. The effect is additive and mostly relevant with large caffeine intake.
What this interaction means in plain words
Caffeine and Droxidopa 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.
Caffeine belongs to Miscellaneous; Droxidopa belongs to Cardiovascular.
Why it happens
Additive pressor effects: droxidopa is converted to norepinephrine while caffeine increases sympathetic tone.
What to do
Monitor supine and standing blood pressure and advise moderating caffeine, especially in the evening; keep the head of the bed elevated for sleep.
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 Caffeine
- Caffeine + Ephedrine Major
- Caffeine + Fezolinetant Major
- Caffeine + Methylenedioxymethamphetamine Major
- Caffeine + Selegiline transdermal Major
- Adenosine + Caffeine Moderate
- Benzphetamine + Caffeine Moderate
Other interactions of Droxidopa
- Droxidopa + Lisdexamfetamine Major
- Droxidopa + Methamphetamine Major
- Droxidopa + Pseudoephedrine Major
- Adrenaline-articaine + Droxidopa Moderate
- Almotriptan + Droxidopa Moderate
- Carbidopa-entacapone-levodopa + Droxidopa Moderate
Frequently asked questions
Can I take Caffeine with Droxidopa?
MediHelp rates the interaction as moderate. Caffeine and Droxidopa 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. Both agents can raise blood pressure and heart rate, so together they may worsen supine hypertension, which is the main safety concern with droxidopa. The effect is additive and mostly relevant with large caffeine intake.
How serious is the interaction between Caffeine and Droxidopa?
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 supine and standing blood pressure and advise moderating caffeine, especially in the evening; keep the head of the bed elevated for sleep.
What other medicines interact with Caffeine?
MediHelp also lists interactions of Caffeine with, for example, Ephedrine, Fezolinetant, Methylenedioxymethamphetamine. The full list is on the Caffeine page.
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