Drug interactions
Green tea + Isoproterenol
Severity: Minor
Green tea and Isoproterenol: minor 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 may add to the chronotropic and cardiac stimulant effects of isoproterenol. This could increase tachycardia and arrhythmia risk, mostly with high intake.
What this interaction means in plain words
Green tea and Isoproterenol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Green tea belongs to Gastrointestinal Tract; Isoproterenol belongs to Respiratory.
Why it happens
Additive cardiovascular stimulation from caffeine and a beta-agonist.
What to do
Monitor heart rate and rhythm during isoproterenol therapy and limit green tea and caffeine intake.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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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
Other interactions of Isoproterenol
Frequently asked questions
Can I take Green tea with Isoproterenol?
MediHelp rates the interaction as minor. Green tea and Isoproterenol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Caffeine in green tea may add to the chronotropic and cardiac stimulant effects of isoproterenol. This could increase tachycardia and arrhythmia risk, mostly with high intake.
How serious is the interaction between Green tea and Isoproterenol?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor heart rate and rhythm during isoproterenol therapy and limit green tea and caffeine intake.
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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