Drug interactions
Dexchlorpheniramine + Paliperidone
Severity: Moderate
Dexchlorpheniramine and Paliperidone: 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
Dexchlorpheniramine is a sedating, anticholinergic antihistamine that adds to paliperidone's sedation and antimuscarinic effects. This may cause drowsiness, confusion, dry mouth and constipation.
What this interaction means in plain words
Dexchlorpheniramine and Paliperidone 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.
Dexchlorpheniramine belongs to Respiratory; Paliperidone belongs to Central Nervous System.
Why it happens
Additive CNS depression and antimuscarinic effects.
What to do
Monitor for sedation and anticholinergic effects, especially in older adults. Prefer a non-sedating antihistamine if possible.
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 Paliperidone
- Ibutilide + Paliperidone Contraindicated
- Paliperidone + Pimozide Contraindicated
- Paliperidone + Vandetanib Contraindicated
- Adagrasib + Paliperidone Major
- Amiodarone + Paliperidone Major
- Amisulpride + Paliperidone Major
Other interactions of Dexchlorpheniramine
- Alprazolam + Dexchlorpheniramine Moderate
- Amisulpride + Dexchlorpheniramine Moderate
- Amitriptyline + Dexchlorpheniramine Moderate
- Amobarbital + Dexchlorpheniramine Moderate
- Asenapine + Dexchlorpheniramine Moderate
- Azelastine-fluticasone + Dexchlorpheniramine Moderate
Frequently asked questions
Can I take Dexchlorpheniramine with Paliperidone?
MediHelp rates the interaction as moderate. Dexchlorpheniramine and Paliperidone 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. Dexchlorpheniramine is a sedating, anticholinergic antihistamine that adds to paliperidone's sedation and antimuscarinic effects. This may cause drowsiness, confusion, dry mouth and constipation.
How serious is the interaction between Dexchlorpheniramine and Paliperidone?
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 for sedation and anticholinergic effects, especially in older adults. Prefer a non-sedating antihistamine if possible.
What other medicines interact with Paliperidone?
MediHelp also lists interactions of Paliperidone with, for example, Ibutilide, Pimozide, Vandetanib. The full list is on the Paliperidone page.
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