Drug interactions
Dextroamphetamine + Formoterol
Severity: Moderate
Dextroamphetamine and Formoterol: 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 drugs have sympathomimetic activity, so combined use can raise heart rate and blood pressure and may provoke palpitations, tremor or arrhythmias. The effect is most relevant in patients with cardiovascular disease or hyperthyroidism.
What this interaction means in plain words
Dextroamphetamine and Formoterol 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.
Dextroamphetamine belongs to Central Nervous System; Formoterol belongs to Respiratory.
Why it happens
Additive adrenergic stimulation: beta-2 receptor agonism by formoterol plus amphetamine-mediated catecholamine release.
What to do
Monitor heart rate, blood pressure and cardiac symptoms, especially at initiation or dose increases. Use the lowest effective formoterol dose and reassess in patients with cardiovascular disease.
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 Formoterol
- Adagrasib + Formoterol Major
- Amiodarone + Formoterol Major
- Amisulpride + Formoterol Major
- Amitriptyline + Formoterol Major
- Amoxapine + Formoterol Major
- Arformoterol + Formoterol Major
Other interactions of Dextroamphetamine
- Dextroamphetamine + Isocarboxazid Contraindicated
- Dextroamphetamine + Linezolid Contraindicated
- Dextroamphetamine + Methylene blue Contraindicated
- Dextroamphetamine + Phenelzine Contraindicated
- Dextroamphetamine + Rasagiline Contraindicated
- Dextroamphetamine + Safinamide Contraindicated
Frequently asked questions
Can I take Dextroamphetamine with Formoterol?
MediHelp rates the interaction as moderate. Dextroamphetamine and Formoterol 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 drugs have sympathomimetic activity, so combined use can raise heart rate and blood pressure and may provoke palpitations, tremor or arrhythmias. The effect is most relevant in patients with cardiovascular disease or hyperthyroidism.
How serious is the interaction between Dextroamphetamine and Formoterol?
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 heart rate, blood pressure and cardiac symptoms, especially at initiation or dose increases. Use the lowest effective formoterol dose and reassess in patients with cardiovascular disease.
What other medicines interact with Formoterol?
MediHelp also lists interactions of Formoterol with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Formoterol page.
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