Interazioni tra farmaci
Scopolamine + Trihexyphenidyl
Gravità: Maggiore
Scopolamine and Trihexyphenidyl: major interaction.
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Sintesi
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.
Cosa significa questa interazione in parole semplici
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.
Perché avviene
Additive muscarinic receptor blockade in the central and peripheral nervous systems.
Cosa fare
Avoid the combination where possible, particularly in older adults. If it is necessary, use the lowest doses and monitor for delirium, retention and tachycardia.
Cosa chiedere al farmacista
- 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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Altre interazioni di Scopolamine
Altre interazioni di Trihexyphenidyl
- Orphenadrin + Trihexyphenidyl Maggiore
- Oxybutynin + Trihexyphenidyl Maggiore
- Solifenacin + Trihexyphenidyl Maggiore
- Trihexyphenidyl + Trospium Maggiore
- Abobotulinumtoxina + Trihexyphenidyl Moderata
- Aclidinium + Trihexyphenidyl Moderata
Domande frequenti
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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