Drug interactions
Desloratadine + Diazepam intranasal
Severity: Minor
Desloratadine and Diazepam intranasal: minor interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Desloratadine is a largely non-sedating antihistamine, but it can cause drowsiness in some patients. Combined with diazepam, any additive sedation or psychomotor impairment may be noticeable, although the effect is generally modest.
What this interaction means in plain words
Desloratadine and Diazepam intranasal have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Additive central nervous system depression from a benzodiazepine and a second-generation antihistamine with slight sedative potential.
What to do
Counsel the patient about drowsiness and avoiding driving or hazardous tasks until the response is known. Reduce or stop the antihistamine if excessive sedation develops.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Desloratadine
- Desloratadine + Erdafitinib Moderate
- Desloratadine + Isocarboxazid Moderate
- Desloratadine + Tranylcypromine Moderate
- Desloratadine + Zuranolone Moderate
- Amifampridine + Desloratadine Minor
- Berotralstat + Desloratadine Minor
Frequently asked questions
Can I take Desloratadine with Diazepam intranasal?
MediHelp rates the interaction as minor. Desloratadine and Diazepam intranasal have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Desloratadine is a largely non-sedating antihistamine, but it can cause drowsiness in some patients. Combined with diazepam, any additive sedation or psychomotor impairment may be noticeable, although the effect is generally modest.
How serious is the interaction between Desloratadine and Diazepam intranasal?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel the patient about drowsiness and avoiding driving or hazardous tasks until the response is known. Reduce or stop the antihistamine if excessive sedation develops.
What other medicines interact with Desloratadine?
MediHelp also lists interactions of Desloratadine with, for example, Erdafitinib, Isocarboxazid, Tranylcypromine. The full list is on the Desloratadine page.
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