Smashed fingers Sickle Cell Vasculopathy Stress Incontinence Sexual Abstinence Snake Bites Spinal Anesthesia: Complications Selenium Sodium Selective Immunoglobulin Deficiency Severe Combined Immunodeficiency Spleen Disorders and Immunodeficiency Seasonal Allergies Stem Cell Transplantation Stools and Urine Sleeping Small for Gestational Age (SGA) Sepsis Separation Anxiety Sudden Infant Death Syndrome (SIDS) Social and Emotional Development Sleep Problems School Avoidance Social Development Sexual Maturation (Delayed) Short Stature School Problems Subacute Sclerosing Panencephalitis (SSPE) Serous Otitis Media Strabismus Scoliosis Slipped Capital Femoral Epiphysis (SCFE) Sever's Disease Suicidal Behavior Separation Anxiety Disorder Somatoform Disorders Sacrococcygeal Teratoma Saethre Chotzen Syndrome Sakati Syndrome Sandhoff Disease Santavuori Disease Sarcoidosis Schimke Immuno-osseous Dysplasia Schindler Disease Schinzel Giedion Syndrome Schinzel Syndrome Schnitzler Syndrome Schwartz Jampel Syndrome Scleroderma Scott Craniodigital Syndrome Seckel Syndrome Segawa Syndrome Sennetsu Fever Setleis Syndrome Severe Combined Immunodeficiency Sheehan Syndrome Short Chain Acyl CoA Dehydrogenase Deficiency (SCAD) SHORT Syndrome Shwachman Syndrome Sialadenitis Sialidosis Sickle Cell Disease Simian B Virus Infection Simpson Dysmorphia Syndrome Singleton Merten Syndrome Sinonasal Undifferentiated Carcinoma Sirenomelia Sequence Sjogren Syndrome Sly Syndrome Smallpox Smith Lemli Opitz Syndrome Smith Magenis Syndrome Sneddon Syndrome Sotos Syndrome Spasmodic Dysphonia Spasmodic Torticollis Spina Bifida Spinal Muscular Atrophy Spinocerebellar Ataxia with Axonal Neuropathy Split Hand/Split Foot Malformation Spondyloepiphyseal Dysplasia Tarda Spondyloepiphyseal Dysplasia, Congenital Sprengel Deformity Stenosis, Spinal Stevens Johnson Syndrome Stickler Syndrome Stiff Person Syndrome Streptococcus, Group B Sturge Weber Syndrome Stuve-Wiedemann Syndrome Subacute Sclerosing Panencephalitis Succinic Semialdehyde Dehydrogenase Deficiency Sudden Infant Death Syndrome Summitt Syndrome Susac's Syndrome Sutton Disease II Sweet Syndrome Swyer syndrome Syphilis, Acquired Syphilis, Congenital Syringobulbia Syringomyelia Systemic Capillary Leak Syndrome