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Drug interactions

Desipramine + Diethylpropion

Severity: Moderate

Desipramine and Diethylpropion: 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

Diethylpropion is a sympathomimetic stimulant that acts partly by releasing norepinephrine. Tricyclic antidepressants may alter its effect and add to cardiovascular stimulation, leading to hypertension, tachycardia or arrhythmia.

What this interaction means in plain words

Desipramine and Diethylpropion 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

Tricyclics block norepinephrine reuptake and uptake of indirect sympathomimetics, altering the pressor and stimulant response.

What to do

Avoid if a safer weight-loss approach exists. If used together, monitor blood pressure and heart rate, particularly early in therapy.

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 Desipramine with Diethylpropion?

MediHelp rates the interaction as moderate. Desipramine and Diethylpropion 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. Diethylpropion is a sympathomimetic stimulant that acts partly by releasing norepinephrine. Tricyclic antidepressants may alter its effect and add to cardiovascular stimulation, leading to hypertension, tachycardia or arrhythmia.

How serious is the interaction between Desipramine and Diethylpropion?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid if a safer weight-loss approach exists. If used together, monitor blood pressure and heart rate, particularly early in therapy.

What other medicines interact with Desipramine?

MediHelp also lists interactions of Desipramine with, for example, Disopyramide, Dofetilide, Ibutilide. The full list is on the Desipramine page.

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

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