Interazioni tra farmaci
Alfentanil + Clemastine
Gravità: Maggiore
Alfentanil and Clemastine: major interaction.
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Sintesi
Concurrent use of an opioid with a sedating antihistamine increases sedation and may add to respiratory depression. Impaired alertness and psychomotor performance are expected, and the risk rises in older or frail patients.
Cosa significa questa interazione in parole semplici
Alfentanil and Clemastine 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.
Perché avviene
Additive CNS and respiratory depression through opioid receptor agonism and H1-antihistamine sedation.
Cosa fare
Monitor sedation level and respiratory rate, and use the lowest effective doses. Prefer a non-sedating antihistamine when feasible.
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 Clemastine
- Benzhydrocodone / acetaminophen + Clemastine Maggiore
- Buprenorphine buccal + Clemastine Maggiore
- Buprenorphine long-acting + Clemastine Maggiore
- Buprenorphine subdermal implant + Clemastine Maggiore
- Buprenorphine transdermal + Clemastine Maggiore
- Calcium / magnesium / potassium / sodium oxybates + Clemastine Maggiore
Domande frequenti
Can I take Alfentanil with Clemastine?
MediHelp rates the interaction as major. Alfentanil and Clemastine 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. Concurrent use of an opioid with a sedating antihistamine increases sedation and may add to respiratory depression. Impaired alertness and psychomotor performance are expected, and the risk rises in older or frail patients.
How serious is the interaction between Alfentanil and Clemastine?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor sedation level and respiratory rate, and use the lowest effective doses. Prefer a non-sedating antihistamine when feasible.
What other medicines interact with Clemastine?
MediHelp also lists interactions of Clemastine with, for example, Benzhydrocodone / acetaminophen, Buprenorphine buccal, Buprenorphine long-acting. The full list is on the Clemastine page.
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