 [ Symptoms ] does strep throat worsen after starting antibiotics  i was diagnosed with strep throat two days ago the urgent care physician prescribed an antibiotic and a mouthwash but there are more white strips on the back of my throat and the pain is worse is this typical [ Disease ] yes and no it depends on the type of test azo is a bright orange dye that discolors the urine on office dipstick type urine tests there are about a dozen different tests on those dipsticks that can be done but these must be read on a color scale fluorescent orange urine can interfere with the readings a microscopic test or urine culture would not be effected by discoloration