High fever 39.3

My 9 months old baby had fever 3 days ago untill now has not yet settle down. Went to clinic and docter given Bifen. Afterall docter advise in 2 days time if fever still high proceed to KKH. I also did sponge but seems doesnt work. Has i experience baby with high fever easily to get fits. Should I just follow docter advise or just proceed to the hospital?