Interações medicamentosas
Scopolamine + Trihexyphenidyl
Gravidade: Grave
Scopolamine and Trihexyphenidyl: major interaction.
Última atualização
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
Both are potent antimuscarinics, so combining them can produce marked anticholinergic toxicity with dry mouth, constipation, urinary retention, blurred vision, tachycardia, confusion and hallucinations. Older adults are especially susceptible, and hyperthermia can occur.
O que esta interação significa em palavras simples
Scopolamine and Trihexyphenidyl 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.
Scopolamine belongs to Respiratory; Trihexyphenidyl belongs to Central Nervous System.
Por que acontece
Additive muscarinic receptor blockade in the central and peripheral nervous systems.
O que fazer
Avoid the combination where possible, particularly in older adults. If it is necessary, use the lowest doses and monitor for delirium, retention and tachycardia.
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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Outras interações de Scopolamine
Outras interações de Trihexyphenidyl
Perguntas frequentes
Can I take Scopolamine with Trihexyphenidyl?
MediHelp rates the interaction as major. Scopolamine and Trihexyphenidyl 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. Both are potent antimuscarinics, so combining them can produce marked anticholinergic toxicity with dry mouth, constipation, urinary retention, blurred vision, tachycardia, confusion and hallucinations. Older adults are especially susceptible, and hyperthermia can occur.
How serious is the interaction between Scopolamine and Trihexyphenidyl?
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 the combination where possible, particularly in older adults. If it is necessary, use the lowest doses and monitor for delirium, retention and tachycardia.
What other medicines interact with Scopolamine?
MediHelp also lists interactions of Scopolamine with, for example, Benzhydrocodone / acetaminophen, Buprenorphine long-acting, Buprenorphine subdermal implant. The full list is on the Scopolamine page.
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