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Zileuton Dosage

Medically reviewed by Last updated on Nov 21, 2023.

Applies to the following strengths: 600 mg

Usual Adult Dose for:

Usual Pediatric Dose for:

Additional dosage information:

Usual Adult Dose for Asthma - Maintenance

Immediate Release:

Extended Release:


Use: Prophylaxis and chronic treatment of asthma

Usual Pediatric Dose for Asthma - Maintenance

Less than 12 years: Not recommended.

12 years or older:


Use: Prophylaxis and chronic treatment of asthma

Renal Dose Adjustments

No adjustment recommended.

Liver Dose Adjustments

Active liver disease or persistent hepatic transaminase elevations greater than or equal to 3 times the upper limit of normal (ULN): Contraindicated


Safety and efficacy have not been established in patients younger than 12 years.

Consult WARNINGS section for additional precautions.


Hemodialysis: No adjustment recommended.
Peritoneal dialysis: Data not available

Other Comments

Administration advice:



Patient advice:

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.