Drug interactions
Risperidone + Scopolamine
Severity: Minor
Risperidone and Scopolamine: 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
Risperidone has little anticholinergic activity, so the combination adds only modestly to dry mouth, constipation and sedation. Some additive CNS depression and cognitive effects are possible with scopolamine, especially in older patients.
What this interaction means in plain words
Risperidone and Scopolamine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Risperidone belongs to Central Nervous System; Scopolamine belongs to Respiratory.
Why it happens
Mild additive antimuscarinic and CNS depressant effects.
What to do
Monitor for sedation, confusion and anticholinergic symptoms. 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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Other interactions of Scopolamine
Other interactions of Risperidone
- Ibutilide + Risperidone Contraindicated
- Risperidone + Vandetanib Contraindicated
- Adagrasib + Risperidone Major
- Amiodarone + Risperidone Major
- Amisulpride + Risperidone Major
- Amoxapine + Risperidone Major
Frequently asked questions
Can I take Risperidone with Scopolamine?
MediHelp rates the interaction as minor. Risperidone and Scopolamine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Risperidone has little anticholinergic activity, so the combination adds only modestly to dry mouth, constipation and sedation. Some additive CNS depression and cognitive effects are possible with scopolamine, especially in older patients.
How serious is the interaction between Risperidone and Scopolamine?
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 sedation, confusion and anticholinergic symptoms. No dose change is normally needed.
What other medicines interact with Scopolamine?
MediHelp also lists interactions of Scopolamine with, for example, Benzhydrocodone / acetaminophen, Buprenorphine long-acting, Buprenorphine subdermal implant. The full list is on the Scopolamine page.
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