Drug interactions
Cevimeline + Orphenadrin
Severity: Moderate
Cevimeline and Orphenadrin: 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
Cevimeline is a muscarinic agonist used for dry mouth, and orphenadrine's antimuscarinic action opposes it. The therapeutic effect of cevimeline on salivation may be diminished.
What this interaction means in plain words
Cevimeline and Orphenadrin 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.
Cevimeline belongs to Miscellaneous; Orphenadrin belongs to Musculoskeletal.
Why it happens
Pharmacodynamic antagonism at muscarinic receptors.
What to do
Monitor for reduced salivary response and consider an alternative to orphenadrine. Avoid the combination in Sjögren's syndrome 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 Orphenadrin
Other interactions of Cevimeline
- Amitriptyline + Cevimeline Moderate
- Atenolol-chlorthalidone + Cevimeline Moderate
- Atenolol + Cevimeline Moderate
- Atropine + Cevimeline Moderate
- Betaxolol + Cevimeline Moderate
- Bethanechol + Cevimeline Moderate
Frequently asked questions
Can I take Cevimeline with Orphenadrin?
MediHelp rates the interaction as moderate. Cevimeline and Orphenadrin 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. Cevimeline is a muscarinic agonist used for dry mouth, and orphenadrine's antimuscarinic action opposes it. The therapeutic effect of cevimeline on salivation may be diminished.
How serious is the interaction between Cevimeline and Orphenadrin?
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 reduced salivary response and consider an alternative to orphenadrine. Avoid the combination in Sjögren's syndrome if possible.
What other medicines interact with Orphenadrin?
MediHelp also lists interactions of Orphenadrin with, for example, Alfentanil, Amobarbital, Benzhydrocodone / acetaminophen. The full list is on the Orphenadrin page.
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