 [ Symptoms ] what are the symptoms of an insulin overdose [ Disease ] strep assuming your self diagnosis is correct can cause kidney infections as well but i would have no idea if they are related in your case without a hands on examination and a thorough medical history white pockets on your throat is not a definitive sign of strep why do not you see your medical provider for a rapid strep test urinalysis and a proper examination this would answer your kidney stone and infection concern