Drug interactions
Benzphetamine + Caffeine
Severity: Moderate
Benzphetamine and Caffeine: 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 and benzphetamine are both stimulants, so combining them can increase insomnia, anxiety, tremor, palpitations and blood pressure. The effect is generally modest but may be significant in patients with hypertension or arrhythmia.
What this interaction means in plain words
Benzphetamine and Caffeine 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.
What to do
Limit caffeine intake during benzphetamine therapy. Monitor blood pressure and heart rate.
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 Caffeine
- Caffeine + Ephedrine Major
- Caffeine + Fezolinetant Major
- Caffeine + Methylenedioxymethamphetamine Major
- Caffeine + Selegiline transdermal Major
- Adenosine + Caffeine Moderate
- Caffeine + Ciprofloxacin Moderate
Frequently asked questions
Can I take Benzphetamine with Caffeine?
MediHelp rates the interaction as moderate. Benzphetamine and Caffeine 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 and benzphetamine are both stimulants, so combining them can increase insomnia, anxiety, tremor, palpitations and blood pressure. The effect is generally modest but may be significant in patients with hypertension or arrhythmia.
How serious is the interaction between Benzphetamine and Caffeine?
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 during benzphetamine therapy. Monitor blood pressure and heart rate.
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.
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