Gantrisin Dosage

Generic name: acetyl sulfisoxazole
Dosage form: Pediatric Suspension
Drug class: Sulfonamides

Medically reviewed by Drugs.com. Last updated on Mar 20, 2025.

Systemic sulfonamides are contraindicated in infants less than 2 months of age, except in the treatment of congenital toxoplasmosis as adjunctive therapy with pyrimethamine.

Usual Dose for Pediatric Patients Over 2 Months of Age

Initial dose: One half of the 24-hour dose. Maintenance dose: 150 mg/kg/24 hours or 4 gm/M2/24 hours — dose to be divided into 4 to 6 doses/24 hours. The maximum dose should not exceed 6 gm/24 hours.

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Gantrisin Pediatric, Truxazole

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Gantrisin prescribing information

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

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Drug Status

Availability Discontinued

Pregnancy & Lactation Risk data available

CSA Schedule* Not a controlled drug N/A

Approval History Drug history at FDA

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Pill ROCHE GANTRISIN is Gantrisin 500 MG — Gantrisin 500 MG (ROCHE GANTRISIN)

Gantrisin Dosage

Usual Dose for Pediatric Patients Over 2 Months of Age

More about Gantrisin (sulfisoxazole)

Patient resources

Other brands

Professional resources

Related treatment guides

See also:

Metronidazole

Dexamethasone

Ozempic

Cephalexin

Ciprofloxacin

Doxycycline

Hydroxychloroquine

Ceftriaxone

Augmentin

Sulfamethoxazole/trimethoprim

Further information