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.
This is the most common treatment for cellulitis. Treatment depends on the severity of the infection and your health, but it usually includes a prescription for oral antibiotics that will kill the infection. Cellulitis should begin to retreat within a few days, and disappear altogether within seven to ten days.