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Biktarvy

Biktarvy Side Effects

Ally Tsai, PharmDKristianne Hannemann, PharmD
Reviewed by Ally Tsai, PharmD, Kristianne Hannemann, PharmD
Last reviewed on June 3, 2026

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

Less Common Side Effects

Biktarvy serious side effects

Contact your healthcare provider immediately if you experience any of the following.

  • Overactive immune system (immune reconstitution syndrome): fever, chills, night sweats, headache, tiredness, swollen lymph nodes, cough, trouble breathing
  • Kidney problems: tiredness, confusion, urinating more or less than usual, swelling in your legs, bone pain, muscle weakness
  • Buildup of lactic acid (lactic acidosis): feeling more tired and weak, belly pain, muscle pain, trouble breathing
  • Liver problems: nausea, vomiting, not feeling hungry, pain on the upper right side of your stomach, yellowing of the whites of the eyes or skin, dark urine, light-colored stool

Source: DailyMed

The following Biktarvy side effects have also been reported

Side effects that you should report to your care team as soon as possible:

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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