Glycerol phenylbutyrate Side Effects
Commonly reported side effects of glycerol phenylbutyrate include: dizziness, fatigue, headache, nausea, and vomiting. See below for a comprehensive list of adverse effects.
For the Consumer
Applies to glycerol phenylbutyrate: oral solution
Along with its needed effects, glycerol phenylbutyrate may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur while taking glycerol phenylbutyrate:More common
- Continuing nausea or vomiting
- increase in the frequency of seizures
- loss of appetite
- swelling of the face
- tiredness and weakness
Some side effects of glycerol phenylbutyrate may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:More common
- Bloated or full feeling
- excess air or gas in the stomach or intestines
- passing gas
- upper abdominal or stomach pain
- Acid or sour stomach
- stomach discomfort or upset
For Healthcare Professionals
Applies to glycerol phenylbutyrate: oral liquid
The most frequently reported side effects included diarrhea, flatulence, and headache.[Ref]
Very common (10% or more): Headache (14%), dizziness[Ref]
Very common (10% or more): Diarrhea (16%), flatulence (14%), upper abdominal pain (pediatric patients), nausea , vomiting
Common (1% to 10%): Abdominal pain (adults) dyspepsia[Ref]
Very Common (10% or more): Decreased appetite, hyperammonemia[Ref]
Common (1% to 10%): Fatigue[Ref]
Very common (10% or more): Rash (pediatric patients)[Ref]
1. "Product Information. Ravicti (glycerol phenylbutyrate)." Hyperion Therapeutics Inc, South San Francisco, CA.
Some side effects of glycerol phenylbutyrate may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.
More about glycerol phenylbutyrate
- Side Effects
- During Pregnancy
- Dosage Information
- Drug Interactions
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- Drug class: urea cycle disorder agents
Other brands: Ravicti
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