versus aubagio. don't take kesimpta if you have hepatitis b, and tell your doctor if you have had it, as it could come back. kesimpta can cause serious side effects, including infections. while no cases of pml were recorded in rms clinical trials, it could happen. tell your doctor if you had or plan to have vaccines, or if you are or plan to become pregnant. kesimpta may cause a decrease in some types of antibodies. the most common side effects are upper respiratory tract infection, headache and injection reactions. dealing with this rms drama? it's time to ask your doctor about kesimpta. dramatic results. less rms drama. ♪ limu emu & doug ♪ liberty mutual customizes your car insurance so you only pay for what you need. thank you! hey, hey, no, no limu, no limu! only pay for what you need. ♪ liberty. liberty. liberty. liberty. ♪