Drug interactions
Formoterol + Green tea
Severity: Minor
Formoterol and Green tea: 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
Green tea contains caffeine, a mild stimulant that can add to the tremor, palpitations and nervousness produced by formoterol. The effect is generally small with normal tea intake but may be noticeable in sensitive patients or with large amounts of tea or extracts.
What this interaction means in plain words
Formoterol and Green tea have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Formoterol belongs to Respiratory; Green tea belongs to Gastrointestinal Tract.
Why it happens
Additive sympathomimetic and CNS stimulant effects from caffeine and beta2-agonist activity.
What to do
Advise patients to limit large amounts of green tea or concentrated extracts if they experience tremor, palpitations or insomnia. No dose change of formoterol is usually needed.
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 Formoterol
- Adagrasib + Formoterol Major
- Amiodarone + Formoterol Major
- Amisulpride + Formoterol Major
- Amitriptyline + Formoterol Major
- Amoxapine + Formoterol Major
- Arformoterol + Formoterol Major
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 Formoterol with Green tea?
MediHelp rates the interaction as minor. Formoterol and Green tea 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 contains caffeine, a mild stimulant that can add to the tremor, palpitations and nervousness produced by formoterol. The effect is generally small with normal tea intake but may be noticeable in sensitive patients or with large amounts of tea or extracts.
How serious is the interaction between Formoterol and Green tea?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to limit large amounts of green tea or concentrated extracts if they experience tremor, palpitations or insomnia. No dose change of formoterol is usually needed.
What other medicines interact with Formoterol?
MediHelp also lists interactions of Formoterol with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Formoterol page.
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