Get emergency medical help if you have signs of an allergic reaction to Vosevi: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
In rare cases, Vosevi may cause serious liver injury. Call your doctor right away if you have symptoms such as:
right-sided upper stomach pain;
nausea, vomiting, loss of appetite;
confusion, tiredness, feeling light-headed;
easy bruising or bleeding, vomiting blood;
diarrhea, black or bloody stools;
dark urine; or
yellowing of your skin or eyes.
If you also take a heart rhythm medicine called amiodarone: Taking amiodarone with Vosevi can cause dangerous side effects on your heart. Get medical help right away if you take these medicines and you have:
very slow heartbeats, chest pain, shortness of breath;
confusion, memory problems; or
weakness, extreme tiredness, light-headed feeling (like you might pass out).
Common Vosevi side effects may include:
headache;
feeling tired; or
nausea, diarrhea.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
 Vosevi side effects (more detail)
