dovato is as effective with just 2. if you have hepatitis b, don't stop dovato without talking to your doctor. don't take dovato if you're allergic to its ingredients or taking dofetilide. this can cause serious or life-threatening side effects. if you have a rash or allergic reaction symptoms, stop dovato and get medical help right away. serious or life-threatening lactic acid buildup and liver problems can occur. tell your doctor if you have kidney or liver problems, or if you are pregnant, breastfeeding, or considering pregnancy. dovato may harm an unborn baby. most common side effects are headache, nausea, diarrhea, trouble sleeping, tiredness, and anxiety. detect this: i stay undetectable with fewer medicines. ask your doctor about switching to dovato.