weasel. (vertebrate zoology). The common name for at least 12 species of small, slim carnivores which belong to the family Mustelidae and which have a reddish-brown coat with whitish underparts; species in the northern regions have white fur during the winter and are called ermine.
Call your doctor if there's no improvement after taking antibiotics for 48 hours. Children taking an antibiotic who feel well and don't have a fever often can return to school or child care when they're no longer contagious â usually 24 hours after beginning treatment. But be sure to finish all the medicine.
More importantly, antibiotics are effective in preventing the uncommon potential complications of strep throat. Without antibiotic treatment, strep throat will generally improve on its own within 2 to 5 days, as it is a self-limited disease that will run its course without complications in the majority of cases.