Still disease, 1012 Stooling pattern of children, 127 Stool lubricants, 132 Stool odors, 338 Storz C-MAC, 38 Strabismus causes of common, 179 t life-threatening, 179 t definition, 175 differential diagnosis, 178 t evaluation of horizontal, 179 f vertical, 180 f with intact eye muscle function, 176 pathophysiology, 175 –176 Strawberry tongue, 456 , 528 Streptococcal infection, 897 Streptococcal pharyngitis, 358 , 396 , 512 , 570 Streptococcal vaginitis, 752 Streptococcus agalactiae , 1349 Streptococcus infections, 308 Streptococcus mutans , 1313 Streptococcus pneumoniae , 202 , 223 , 328 , 391 –392 , 479 , 543 , 572 , 1320 –1322 , 1360 , 1385 , 1396 Streptococcus pyogenes , 391 , 475 , 543 , 1395 Streptococcus sobrinus , 1313 Stress-dose corticosteroids, 84 Stridor, 479 , 487 , 574 afebrile child with acute onset of, 514 , 516 –517 causes by anatomic location, 514 t common, 514 t life-threatening, 514 t chronic, 514 –515 diagnostic approach to, 515 f differential diagnosis, 513 –515