Drug reference

ketotifen

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.

Drug class

Respiratory (Anti Histamine)

Mechanism of action

Histamine H1 antagonist and mast cell stabilizer; inhibits vascular permeability and may prevent inflamed conjunctiva.

Common side effects

  • Eye redness
  • Headache
  • Eye discharge

Related conditions

Frequently asked questions

What drug class is ketotifen?

ketotifen belongs to: Respiratory.

How does ketotifen work?

Histamine H1 antagonist and mast cell stabilizer; inhibits vascular permeability and may prevent inflamed conjunctiva.

What are the common side effects of ketotifen?

Eye redness, Headache, Eye discharge

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