Generic name: SODIUM PHENYLBUTYRATE 500mg
Dosage form: powder, tablets
Medically reviewed on September 12, 2016.
For oral use only.
The use of BUPHENYL Tablets is indicated for children weighing more than 20 kg and for adults.
The usual total daily dose of BUPHENYL Tablets and Powder for patients with urea cycle disorders is 450–600 mg/kg/day in patients weighing less than 20 kg, or 9.9–13.0 g/m2/day in larger patients. The tablets and powder are to be taken in equally divided amounts with each meal or feeding (i.e., three to six times per day).
BUPHENYL Powder is indicated for oral use (via mouth, gastrostomy, or nasogastric tube) only. The powder is to be mixed with food (solid or liquid) for immediate use; however, when dissolved in water, BUPHENYL Powder has been shown to be stable for up to one week at room temperature or refrigerated. Sodium phenylbutyrate is very soluble in water (5 grams per 10 mL). When BUPHENYL Powder is added to a liquid, only sodium phenylbutyrate will dissolve, the excipients will not. The effect of food on sodium phenylbutyrate has not been determined.
Each level teaspoon (enclosed) dispenses 3.2 grams of powder and 3.0 grams of sodium phenylbutyrate. Each level tablespoon (enclosed) dispenses 9.1 grams of powder and 8.6 grams of sodium phenylbutyrate.
Shake lightly before use.
The safety or efficacy of doses in excess of 20 grams (40 tablets) per day has not been established.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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- Drug class: urea cycle disorder agents
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