11 month old- fever

hi, my 11 month old woke up 3am with a fever of 38.5C... Which is 100.94F. I ended up putting cooling clothes on, giving her some medicine and nursed her and now she is back to sleep... my question Is, at what point do you go to a doctor? any other things you can think of to help bring fever down... I picked her up when crying and she was such a hot potatoe my heart broke.