Drug interactions
Morphine + Olopatadine intranasal
Severity: Moderate
Morphine and Olopatadine intranasal: 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
Intranasal olopatadine can cause somnolence, and combined with morphine it may add to CNS depression and psychomotor impairment. Systemic exposure from nasal use is low but not negligible.
What this interaction means in plain words
Morphine and Olopatadine intranasal 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.
Why it happens
Additive CNS depression from the sedating antihistamine and the opioid.
What to do
Counsel patients on drowsiness and avoid driving until response is known. Reduce doses or use a non-sedating alternative if impairment occurs.
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 Morphine
- Alvimopan + Morphine Contraindicated
- Isocarboxazid + Morphine Contraindicated
- Morphine + Olanzapine / samidorphan Contraindicated
- Morphine + Phenelzine Contraindicated
- Morphine + Tranylcypromine Contraindicated
- Alfentanil + Morphine Major
Frequently asked questions
Can I take Morphine with Olopatadine intranasal?
MediHelp rates the interaction as moderate. Morphine and Olopatadine intranasal 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. Intranasal olopatadine can cause somnolence, and combined with morphine it may add to CNS depression and psychomotor impairment. Systemic exposure from nasal use is low but not negligible.
How serious is the interaction between Morphine and Olopatadine intranasal?
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 patients on drowsiness and avoid driving until response is known. Reduce doses or use a non-sedating alternative if impairment occurs.
What other medicines interact with Morphine?
MediHelp also lists interactions of Morphine with, for example, Alvimopan, Isocarboxazid, Olanzapine / samidorphan. The full list is on the Morphine page.
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