how long do bed bug bites itch for
As you may have read on this site, bed bug bites and related symptoms such as itch are due to an allergic reaction. As an allergy, every reacts differently. In your case, it is unusual for a bed bug itch reaction to last more than 5 days after any symptoms first appear.Immediate reactions may appear from 1 hour to 24 hours after a bite and may last 1â2 days; delayed reactions usually appear 1â3 days (or more) after a bite and may last 2â5 days (Feingold et al.1968).s you may have read on this site, bed bug bites and related symptoms such as itch are due to an allergic reaction. As an allergy, every reacts differently. In your case, it is unusual for a bed bug itch reaction to last more than 5 days after any symptoms first appear.