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Drug interactions

Dicyclomine + Echothiophate iodide

Severity: Minor

Dicyclomine and Echothiophate iodide: 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

Echothiophate is a cholinesterase inhibitor used in the eye, whereas dicyclomine is an antimuscarinic. Their actions oppose each other, but ophthalmic echothiophate has limited systemic exposure, so the effect is usually small.

What this interaction means in plain words

Dicyclomine and Echothiophate iodide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Low

Why it happens

Pharmacodynamic antagonism between cholinesterase inhibition and muscarinic blockade.

What to do

Monitor for reduced effect of either drug. No dose change is normally needed.

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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Frequently asked questions

Can I take Dicyclomine with Echothiophate iodide?

MediHelp rates the interaction as minor. Dicyclomine and Echothiophate iodide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Echothiophate is a cholinesterase inhibitor used in the eye, whereas dicyclomine is an antimuscarinic. Their actions oppose each other, but ophthalmic echothiophate has limited systemic exposure, so the effect is usually small.

How serious is the interaction between Dicyclomine and Echothiophate iodide?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for reduced effect of either drug. No dose change is normally needed.

What other medicines interact with Dicyclomine?

MediHelp also lists interactions of Dicyclomine with, for example, Clozapine, Henbane, Imipramine. The full list is on the Dicyclomine page.

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