Biktarvy is a single-tablet regimen, combining bictegravir, emtricitabine and tenofovir alafenamide in one pill, taken once a day.

You should not take Biktarvy if you are currently taking products containing St John’s wort; rifabutin, rifampicin and rifapentine (used to treat some bacterial infections such as TB); carbamazepine, oxcarbazepine, phenobarbital and phenytoin (used to treat epilepsy and prevent seizures); ciclosporin (an immunosuppressant); or sucralfate (a treatment for stomach ulcers and severe gastric reflux).

Biktarvy should be taken at least 2 hours before, or with food 2 hours after, antacids containing magnesium and/or aluminium. Biktarvy should be taken at least 2 hours before iron supplements or taken with food.

Suicidal behaviour.

Depression, abnormal dreams, headache, dizziness and tiredness.

Take with or without food.

Triple-drug combination in one tablet, taken once a day. Combines 50mg of bictegravir (an integrase inhibitor), 200mg of emtricitabine and 25mg of tenofovir alafenamide (both NRTIs) in a purplish-brown tablet.