Drug interactions
Green tea + Metaproterenol
Severity: Moderate
Green tea and Metaproterenol: 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
Caffeine in green tea adds to the stimulant effects of the beta-agonist metaproterenol. This can cause tremor, anxiety, insomnia and a faster heart rate, especially with large amounts of tea.
What this interaction means in plain words
Green tea and Metaproterenol 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 sympathomimetic and CNS stimulant effects of caffeine and beta-adrenergic agonism.
What to do
Limit green tea and other caffeinated products while on metaproterenol. Monitor for palpitations and tremor.
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 Green tea
- Adenosine + Green tea Moderate
- Benzphetamine + Green tea Moderate
- Bortezomib + Green tea Moderate
- Dextroamphetamine + Green tea Moderate
- Diethylpropion + Green tea Moderate
- Ephedrine + Green tea Moderate
Frequently asked questions
Can I take Green tea with Metaproterenol?
MediHelp rates the interaction as moderate. Green tea and Metaproterenol 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 in green tea adds to the stimulant effects of the beta-agonist metaproterenol. This can cause tremor, anxiety, insomnia and a faster heart rate, especially with large amounts of tea.
How serious is the interaction between Green tea and Metaproterenol?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Limit green tea and other caffeinated products while on metaproterenol. Monitor for palpitations and tremor.
What other medicines interact with Green tea?
MediHelp also lists interactions of Green tea with, for example, Adenosine, Benzphetamine, Bortezomib. The full list is on the Green tea page.
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