Interações medicamentosas
Belladonna and opium + Chlorpheniramine
Gravidade: Grave
Belladonna and opium and Chlorpheniramine: major interaction.
Última atualização Fontes: US FDA label
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.
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Resumo
The opium component adds CNS and respiratory depression to the sedation of chlorpheniramine, and belladonna adds anticholinergic burden. The combination can cause marked drowsiness, constipation, urinary retention and confusion.
O que esta interação significa em palavras simples
Belladonna and opium and Chlorpheniramine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Por que acontece
Additive opioid CNS and respiratory depression plus additive anticholinergic effects.
O que fazer
Avoid if possible; otherwise use the lowest doses and monitor sedation, respiration and anticholinergic effects. Use a non-sedating antihistamine instead.
O que perguntar ao farmacêutico
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Referências
Outras interações de Chlorpheniramine
- Benzhydrocodone / acetaminophen + Chlorpheniramine Grave
- Brexanolone + Chlorpheniramine Grave
- Buprenorphine long-acting + Chlorpheniramine Grave
- Buprenorphine subdermal implant + Chlorpheniramine Grave
- Buprenorphine transdermal + Chlorpheniramine Grave
- Calcium / magnesium / potassium / sodium oxybates + Chlorpheniramine Grave
Perguntas frequentes
Can I take Belladonna and opium with Chlorpheniramine?
MediHelp rates the interaction as major. Belladonna and opium and Chlorpheniramine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. The opium component adds CNS and respiratory depression to the sedation of chlorpheniramine, and belladonna adds anticholinergic burden. The combination can cause marked drowsiness, constipation, urinary retention and confusion.
How serious is the interaction between Belladonna and opium and Chlorpheniramine?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid if possible; otherwise use the lowest doses and monitor sedation, respiration and anticholinergic effects. Use a non-sedating antihistamine instead.
What other medicines interact with Chlorpheniramine?
MediHelp also lists interactions of Chlorpheniramine with, for example, Benzhydrocodone / acetaminophen, Brexanolone, Buprenorphine long-acting. The full list is on the Chlorpheniramine page.
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