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
- Diarrhea (31%)
- Vomiting (17%)
- Liver damage (17%)
- Stomach pain (14%)
Less Common Side Effects
- Low vitamin A, D, and E levels
- Enlarged spleen
- Gallstones
- Dehydration
Bylvay serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Worsening liver problems or liver failure: swelling of your stomach, yellowing of your skin or the whites of your eyes, confusion, dark or brown urine
- Diarrhea and dehydration: dry mouth, sunken eyes, no tears while crying, fewer wet diapers than normal, sleepiness
Source: DailyMed
The following Bylvay 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
- Bleeding—bloody or black, tar-like stools, vomiting blood or brown material that looks like coffee grounds, red or dark brown urine, small red or purple spots on skin, unusual bruising or bleeding
- Dehydration—increased thirst, dry mouth, feeling faint or lightheaded, headache, dark yellow or brown urine
- Liver injury—right upper belly pain, loss of appetite, nausea, light-colored stool, dark yellow or brown urine, yellowing skin or eyes, unusual weakness or fatigue
- Low vitamin A level—change in vision, dry eyes, dry skin, frequent infections
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):
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