Drug interactions
Diphenoxylate-atropine + Formoterol
Severity: Minor
Diphenoxylate-atropine and Formoterol: minor 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
Formoterol is an inhaled beta-agonist and has no established clinically important interaction with diphenoxylate-atropine. Atropine may slightly add to heart rate increases.
What this interaction means in plain words
Diphenoxylate-atropine and Formoterol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Diphenoxylate-atropine belongs to Gastrointestinal Tract; Formoterol belongs to Respiratory.
Why it happens
No established mechanism; additive tachycardia is theoretical.
What to do
No specific action is needed beyond routine monitoring.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Diphenoxylate-atropine
- Diphenoxylate-atropine + Isocarboxazid Contraindicated
- Diphenoxylate-atropine + Phenelzine Contraindicated
- Diphenoxylate-atropine + Tranylcypromine Contraindicated
- Alfentanil + Diphenoxylate-atropine Major
- Alvimopan + Diphenoxylate-atropine Major
- Amitriptyline + Diphenoxylate-atropine Major
Other interactions of Formoterol
- Adagrasib + Formoterol Major
- Amiodarone + Formoterol Major
- Amisulpride + Formoterol Major
- Amitriptyline + Formoterol Major
- Amoxapine + Formoterol Major
- Arformoterol + Formoterol Major
Frequently asked questions
Can I take Diphenoxylate-atropine with Formoterol?
MediHelp rates the interaction as minor. Diphenoxylate-atropine and Formoterol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Formoterol is an inhaled beta-agonist and has no established clinically important interaction with diphenoxylate-atropine. Atropine may slightly add to heart rate increases.
How serious is the interaction between Diphenoxylate-atropine and Formoterol?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No specific action is needed beyond routine monitoring.
What other medicines interact with Diphenoxylate-atropine?
MediHelp also lists interactions of Diphenoxylate-atropine with, for example, Isocarboxazid, Phenelzine, Tranylcypromine. The full list is on the Diphenoxylate-atropine page.
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