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Drug interactions

Caffeine + Yohimbine

Severity: Moderate

Caffeine and Yohimbine: 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 are stimulants, so together they can increase anxiety, tremor, insomnia, palpitations and blood pressure. The effect is additive and may be pronounced in patients with anxiety disorders or cardiovascular disease.

What this interaction means in plain words

Caffeine and Yohimbine 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.

Evidence level: Low

Why it happens

Additive sympathetic stimulation: yohimbine blocks alpha-2 adrenoceptors increasing noradrenaline release, while caffeine blocks adenosine receptors and enhances catecholamine activity.

What to do

Limit caffeine intake while taking yohimbine and monitor blood pressure, heart rate and anxiety symptoms. Avoid the combination in patients with uncontrolled hypertension, arrhythmia or panic disorder.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Caffeine with Yohimbine?

MediHelp rates the interaction as moderate. Caffeine and Yohimbine 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 are stimulants, so together they can increase anxiety, tremor, insomnia, palpitations and blood pressure. The effect is additive and may be pronounced in patients with anxiety disorders or cardiovascular disease.

How serious is the interaction between Caffeine and Yohimbine?

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 caffeine intake while taking yohimbine and monitor blood pressure, heart rate and anxiety symptoms. Avoid the combination in patients with uncontrolled hypertension, arrhythmia or panic disorder.

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.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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