Drug interactions
Diphenhydramine + Levosalbutamol
Severity: Minor
Diphenhydramine and Levosalbutamol: 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
Diphenhydramine is a sedating antihistamine, and levosalbutamol may cause mild stimulation. No clinically important interaction is established, and sedation is not reliably reduced.
What this interaction means in plain words
Diphenhydramine and Levosalbutamol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Diphenhydramine belongs to Respiratory; Levosalbutamol belongs to Respiratory.
Why it happens
No established mechanism; opposing CNS effects are theoretical.
What to do
No dose change is needed. Counsel patients on drowsiness and anticholinergic effects of diphenhydramine.
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 Levosalbutamol
Other interactions of Diphenhydramine
Frequently asked questions
Can I take Diphenhydramine with Levosalbutamol?
MediHelp rates the interaction as minor. Diphenhydramine and Levosalbutamol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Diphenhydramine is a sedating antihistamine, and levosalbutamol may cause mild stimulation. No clinically important interaction is established, and sedation is not reliably reduced.
How serious is the interaction between Diphenhydramine and Levosalbutamol?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose change is needed. Counsel patients on drowsiness and anticholinergic effects of diphenhydramine.
What other medicines interact with Levosalbutamol?
MediHelp also lists interactions of Levosalbutamol with, for example, Amisulpride, Carvedilol, Fexinidazole. The full list is on the Levosalbutamol page.
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