Smelly Urine After Waking Up Should I Take Him Back To The Doctor?

Should I take him back to the doctor? - smelly urine after waking up

1 years My son was sent home to after-care with a fever of 100.7, but 45 minutes when we had arrived at the temperature of 97.7 doctors, we went home and took nap awoke 4 hours as The temperature was 103.8. Then this morning it is still the tylonel with 101.8 and Motrin ... Humor and urine is very yellow and smelly ... they eat, but not much.
Should he see a doctor?