A mild allergic reaction to a mosquito’s saliva causes a small itchy welt that usually gets better within few hours. But if you are highly sensitive, symptoms can last for several days. The small welt can develop into an itchy sore the size of a quarter.
It’s tough advice, but the best thing you can do is not scratch the bite. Scratching can create an opening in your skin that can give bacteria a way to get in and cause infection.
Summer is ending, you’re heading into fall. But you’re still sneezing and sniffling all day and into the night. What’s going on?
Odds are you’re among the 10% to 30% of Americans who suffer from hay fever, or allergic rhinitis. And most cases of hay fever are caused by an allergy to fall pollen from plants belonging to the genus Ambrosia -- more commonly known as ragweed.