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Drug interactions

Azelastine + Dextroamphetamine

Severity: Minor

Azelastine and Dextroamphetamine: 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

Azelastine may cause drowsiness while dextroamphetamine is a stimulant, so their effects on alertness oppose each other. The net effect is unpredictable and no important clinical interaction is firmly established.

What this interaction means in plain words

Azelastine and Dextroamphetamine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Azelastine belongs to Respiratory; Dextroamphetamine belongs to Central Nervous System.

Evidence level: Low

Why it happens

Opposing pharmacodynamic effects on CNS arousal; no established pharmacokinetic mechanism.

What to do

No routine action is needed; monitor the patient's alertness and do not rely on the stimulant to offset sedation from azelastine.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Azelastine with Dextroamphetamine?

MediHelp rates the interaction as minor. Azelastine and Dextroamphetamine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Azelastine may cause drowsiness while dextroamphetamine is a stimulant, so their effects on alertness oppose each other. The net effect is unpredictable and no important clinical interaction is firmly established.

How serious is the interaction between Azelastine and Dextroamphetamine?

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 routine action is needed; monitor the patient's alertness and do not rely on the stimulant to offset sedation from azelastine.

What other medicines interact with Azelastine?

MediHelp also lists interactions of Azelastine with, for example, Calcium / magnesium / potassium / sodium oxybates, Methadone, Sodium oxybate. The full list is on the Azelastine page.

Full monographs, dosing and an interaction checker in the MediHelp app

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