Drug interactions
Chlorpheniramine + Tapentadol
Severity: Moderate
Chlorpheniramine and Tapentadol: 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
Chlorpheniramine is a sedating first-generation antihistamine that adds to opioid drowsiness and psychomotor impairment. Anticholinergic effects may also contribute to constipation and urinary retention.
What this interaction means in plain words
Chlorpheniramine and Tapentadol 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.
Chlorpheniramine belongs to Respiratory; Tapentadol belongs to Musculoskeletal.
Why it happens
Additive CNS depression through H1 antagonism and opioid effects.
What to do
Counsel on sedation and avoid driving; consider a non-sedating antihistamine if appropriate.
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 Tapentadol
- Calcium / magnesium / potassium / sodium oxybates + Tapentadol Contraindicated
- Isocarboxazid + Tapentadol Contraindicated
- Linezolid + Tapentadol Contraindicated
- Methylene blue + Tapentadol Contraindicated
- Olanzapine / samidorphan + Tapentadol Contraindicated
- Phenelzine + Tapentadol Contraindicated
Other interactions of Chlorpheniramine
Frequently asked questions
Can I take Chlorpheniramine with Tapentadol?
MediHelp rates the interaction as moderate. Chlorpheniramine and Tapentadol 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. Chlorpheniramine is a sedating first-generation antihistamine that adds to opioid drowsiness and psychomotor impairment. Anticholinergic effects may also contribute to constipation and urinary retention.
How serious is the interaction between Chlorpheniramine and Tapentadol?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel on sedation and avoid driving; consider a non-sedating antihistamine if appropriate.
What other medicines interact with Tapentadol?
MediHelp also lists interactions of Tapentadol with, for example, Calcium / magnesium / potassium / sodium oxybates, Isocarboxazid, Linezolid. The full list is on the Tapentadol page.
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