Flea bites on humans can cause a rash and are usually located on the lower legs and feet. The bites are characterized by red spots surrounded by red halos. Additional symptoms of a flea bite can include, hives and swelling around the bite! If fleas are biting you chances are your flea problem is worse than you thought, contact TK Pest Control to take care of your flea problem in Muskoka, Orillia, and the surrounding area! www.TKPestControl.com