Food poisoning symptoms usually hit within a few hours of eating contaminated food. Stomach flu can take up to forty-eight hours after exposure to begin to affect you and the symptoms usually come on slowly. Stomach Flu Causes. Like influenza, stomach flu is caused by a virusâusually one of the following:
Rating Newest Oldest. Best Answer: Cellulitis near the skin surface usually takes at least 4-5 days to go away with an ointment, and then a scab might remain for another week. The deeper it is the longer it takes.
Cellulitis is treated with antibiotics. If the infection is mild, you may be able to take antibiotic pills at home. If the infection is severe, you may need to be treated in a hospital so that you can get IV antibiotics directly into your bloodstream, along with any other care you may need.