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.
How Long Does It Take for a First-Degree Burn to Heal? As the skin heals, it may peel. Additionally, it may take three to 20 days for a first-degree burn to heal properly. Healing time may depend on the area affected. Always consult your doctor if the burn shows signs of infection or becomes worse.