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Interações medicamentosas

Fentanyl + Pheniramine

Gravidade: Moderada

Fentanyl and Pheniramine: moderate interaction.

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Para profissionais de saúde — apenas referência. Esta página é um resumo breve, não é aconselhamento médico nem substitui a bula oficial ou o julgamento clínico. Verifique sempre antes de prescrever ou dispensar.

O conteúdo clínico desta página está disponível apenas em inglês.

Resumo

Pheniramine is a sedating first-generation antihistamine, and with fentanyl it increases drowsiness and impairs psychomotor performance. Respiratory depression is possible, especially in older or frail patients.

O que esta interação significa em palavras simples

Fentanyl and Pheniramine 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; Pheniramine belongs to Respiratory.

Nível de evidência: Moderate

Por que acontece

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

O que fazer

Prefer a non-sedating antihistamine when an antihistamine is needed. If pheniramine is used, monitor for excess sedation and warn against driving and alcohol.

O que perguntar ao farmacêutico

  • 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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Perguntas frequentes

Can I take Fentanyl with Pheniramine?

MediHelp rates the interaction as moderate. Fentanyl and Pheniramine 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. Pheniramine is a sedating first-generation antihistamine, and with fentanyl it increases drowsiness and impairs psychomotor performance. Respiratory depression is possible, especially in older or frail patients.

How serious is the interaction between Fentanyl and Pheniramine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Prefer a non-sedating antihistamine when an antihistamine is needed. If pheniramine is used, monitor for excess sedation and warn 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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