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
In addition to its needed effects, some unwanted effects may be caused by glycerol phenylbutyrate. In the event that any of these side effects do occur, they may require medical attention.
Major Side Effects
You should check with your doctor immediately if any of these side effects occur when 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
Minor Side Effects
Some of the side effects that can occur with glycerol phenylbutyrate may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional: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.
Not all side effects for glycerol phenylbutyrate may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
More about glycerol phenylbutyrate
- Other brands: Ravicti
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