Drug interactions
Diethylpropion + Green tea
Severity: Moderate
Diethylpropion and Green tea: 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 can add to the stimulant effects of diethylpropion, causing nervousness, insomnia, tachycardia and raised blood pressure. Concentrated green tea extracts used for weight loss make this more likely.
What this interaction means in plain words
Diethylpropion and Green tea 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 CNS and sympathomimetic stimulation from caffeine and an amphetamine-like anorectic.
What to do
Advise avoiding green tea extracts and limiting caffeine intake. Monitor heart rate and blood pressure.
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
- Ephedrine + Green tea Moderate
- Ferric maltol + Green tea Moderate
Frequently asked questions
Can I take Diethylpropion with Green tea?
MediHelp rates the interaction as moderate. Diethylpropion and Green tea 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 can add to the stimulant effects of diethylpropion, causing nervousness, insomnia, tachycardia and raised blood pressure. Concentrated green tea extracts used for weight loss make this more likely.
How serious is the interaction between Diethylpropion and Green tea?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise avoiding green tea extracts and limiting caffeine intake. Monitor heart rate and blood pressure.
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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