A fly bite typically looks like a red welt, and "it often has a little center core to it," Kassouf says. "It can look a lot like a bad mosquito bite." Again, the other symptoms you might ...

Skeeter syndrome is an allergic reaction to mosquito bites, which can cause red, swollen lesions. Skeeter syndrome is more common in young children or immunocompromised individuals. To treat a ...