When is a burn bad enough to go to the hospital?

Have low threshhold: ... For seeing physician. A small superficial burn which you can easily treat yourself with antibiotic ointment that heals quickly is probably ok. However, if the wound is large or deep enough that you are insecure about treating it yourself, or if it is looking more inflamed rather than healing, or if the pain is bad, you should seek medical care in a doctor's office, urgent care facility, or er.