Cov khoom siv no yog tsim los ntawm cov tshuaj tiv thaiv tshwj xeeb-antigen thiab immunochromatography. β-lactams, sulfonamides thiab tetracyclines tshuaj tua kab mob hauv cov qauv sib tw rau cov tshuaj tiv thaiv kab mob nrog cov antigen coated ntawm daim nyias nyias ntawm cov tshuaj dipstick. Tom qab ntawd tom qab cov tshuaj tiv thaiv xim, qhov tshwm sim tuaj yeem pom.