The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
- Changes in menstrual cycle (23%)
- Poor appetite (4%)
- Body odor (3%)
- Bad taste in the mouth (3%)
Less Common Side Effects
- Stomach pain or upset
- Nausea or vomiting
- Headache
- Fainting
- Weight gain
- Depression
- Rash
Source: DailyMed
The following Sodium Phenylbutyrate side effects have also been reported
Side effects that you should report to your care team as soon as possible:
- Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
- Dizziness, loss of balance or coordination, confusion or trouble speaking
- Low potassium level—muscle pain or cramps, unusual weakness or fatigue, fast or irregular heartbeat, constipation
- Swelling of the ankles, hands, or feet
Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
- Body odor
- Change in taste
- Irregular menstrual cycles or spotting
- Loss of appetite
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