Top 15 Health Questions on Twitter in 2011
"Can't figure out whether my #allergies are bugging me or if I'm sick. #frustrated"
Common colds are not nearly as common in the summer as in fall and winter. The time and duration of symptoms is the most important factor in deciding whether symptoms are related to viral infection or allergic inflammation.
Cold symptoms generally last five to seven days whereas seasonal allergy symptoms go on for two or more months.
By — Last Modified: 12/16/2011, First Published: 12/15/2011
