Question 1

What routes can Zafirlukast be administered by?

Accepted Answer

Available routes: PO.

Question 2

Is Zafirlukast a controlled substance?

Accepted Answer

Zafirlukast is not federally scheduled in the US. Controlled-drug status differs by country — verify your local rules.

Question 3

What are the warnings or contraindications for Zafirlukast?

Accepted Answer

Give on empty stomach (food reduces absorption by 40%). Hepatotoxicity rare but monitor liver enzymes. CYP2C9 inhibitor — drug interactions. Limited vet data.

Question 4

What are the side effects of Zafirlukast?

Accepted Answer

Reported side effects, adverse reactions, and contraindications for Zafirlukast: Give on empty stomach (food reduces absorption by 40%). Hepatotoxicity rare but monitor liver enzymes. CYP2C9 inhibitor — drug interactions. Limited vet data.

Question 5

How does Zafirlukast work?

Accepted Answer

Competitive CysLT1 receptor antagonist blocking leukotriene D4 and E4 effects. Reduces bronchoconstriction and airway inflammation.

Zafirlukast

Drug Class

Routes

Mechanism of Action

Side effects & warnings

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