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Interazioni tra farmaci

Fentanyl + Pyrilamine

Gravità: Moderata

Fentanyl and Pyrilamine: moderate interaction.

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Sintesi

Pyrilamine is a sedating first-generation antihistamine, and fentanyl is an opioid. Together they increase drowsiness and psychomotor impairment and may add to respiratory depression.

Cosa significa questa interazione in parole semplici

Fentanyl and Pyrilamine 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.

Fentanyl belongs to Musculoskeletal; Pyrilamine belongs to Respiratory.

Livello di evidenza: Moderate

Perché avviene

Additive CNS depression through histamine H1 blockade and opioid receptor agonism.

Cosa fare

Avoid unnecessary use of sedating antihistamines with opioids, or use lower doses and monitor sedation. Advise against driving and alcohol.

Cosa chiedere al farmacista

  • 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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Domande frequenti

Can I take Fentanyl with Pyrilamine?

MediHelp rates the interaction as moderate. Fentanyl and Pyrilamine 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. Pyrilamine is a sedating first-generation antihistamine, and fentanyl is an opioid. Together they increase drowsiness and psychomotor impairment and may add to respiratory depression.

How serious is the interaction between Fentanyl and Pyrilamine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid unnecessary use of sedating antihistamines with opioids, or use lower doses and monitor sedation. Advise against driving and alcohol.

What other medicines interact with Fentanyl?

MediHelp also lists interactions of Fentanyl with, for example, Alvimopan, Isocarboxazid, Olanzapine / samidorphan. The full list is on the Fentanyl page.

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