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Drug interactions

Benzphetamine + Salmeterol

Severity: Moderate

Benzphetamine and Salmeterol: 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

Benzphetamine is a sympathomimetic anorectic, and with salmeterol it may add to increases in heart rate and blood pressure. Palpitations, tremor, and arrhythmias are possible, particularly in people with cardiovascular disease.

What this interaction means in plain words

Benzphetamine and Salmeterol 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 sympathomimetic effects via indirect catecholamine release and direct beta-2 agonism.

What to do

Monitor blood pressure and heart rate, and avoid the combination in patients with significant cardiovascular disease or uncontrolled hypertension.

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 Benzphetamine with Salmeterol?

MediHelp rates the interaction as moderate. Benzphetamine and Salmeterol 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. Benzphetamine is a sympathomimetic anorectic, and with salmeterol it may add to increases in heart rate and blood pressure. Palpitations, tremor, and arrhythmias are possible, particularly in people with cardiovascular disease.

How serious is the interaction between Benzphetamine and Salmeterol?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure and heart rate, and avoid the combination in patients with significant cardiovascular disease or uncontrolled hypertension.

What other medicines interact with Salmeterol?

MediHelp also lists interactions of Salmeterol with, for example, Ritonavir, Saquinavir, Amitriptyline. The full list is on the Salmeterol 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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