SAD (seasonal affective disorder, seasonal depression)
SCFE (slipped capital femoral epiphysis)
SIDS (sudden infant death syndrome, crib death)
SSSS (staphylococcal scalded skin, Ritter's disease)
STD (sexually transmitted disease, venereal disease, VD)
SVT (paroxysmal supraventricular tachycardia, PSVT, supraventricular tachycardia, paroxysmal atrial tachycardia)
Salmonella food poisoning (salmonella infections, samonellosis)
San Joaquin Valley Fever (valley fever, coccidioidomycosis)
Scheuermann's disease (kyphosis, roundback, humpback, hunchback, dowager's hump, Pott's curvature)
Shy-Drager syndrome (Shy-McGee-Drager syndrome, neurological orthostatic hypotension)
Shy-McGee-Drager syndrome (Shy-Drager syndrome, neurological orthostatic hypotension)
Sjogren syndrome (Shy-Drager syndrome, neurological orthostatic hypotension)
St. Vitus dance (Sydenham's chorea, rheumatic chorea, chorea minor)
Stein-Leventhal syndrome (polycystic ovarian syndrome, polycystic ovarian disorder, hyperandrogenic chronic anovulation)
Still's disease (juvenile rheumatoid arthritis, JRA)
Sydenham's chorea (St. Vitus dance, rheumatic chorea, chorea minor)
saddle back (lordosis, swayback, hollow back)
salivary duct stones (sialolithiasis)
salivary gland cancer (salivary gland tumors, salivary gland neoplasms)
salivary gland neoplasms (salivary gland tumors, salivary gland cancer)
salivary gland tumors (salivary gland neoplasms, salivary gland cancer)
salmonella infections (samonellosis, Salmonella food poisoning)
salpingitis (samonellosis, Salmonella food poisoning)
salt imbalance (sodium imbalance, electrolyte imbalance, hyponatremia, hypernatremia)
samonellosis (salmonella infections, Salmonella food poisoning)
scabies (salmonella infections, Salmonella food poisoning)
scalp conditions (scalp problems)
scalp problems (scalp conditions)
scarlet fever (scarletina)
scarletina (scarlet fever)
schizophrenia (schizophrenic disorder)
schizophrenic disorder (schizophrenia)
sciatic nerve dysfunction (schizophrenia)
scleritis (schizophrenia)
scleroderma (progressive systemic sclerosis)
scoliosis (curvature of the spine)
seasonal affective disorder (SAD, seasonal depression)
seasonal depression (seasonal affective disorder, SAD)
sebaceous cysts (pilar cyst, epidermoid cyst)
seborrheic dermatitis (dandruff, cradle cap)
seborrheic keratosis (seborrheic warts, verruca seborrheica, keratosis seborrheica)
seborrheic warts (seborrheic keratosis, verruca seborrheica, keratosis seborrheica)
second-degree heart block (heart block, atrioventricular block, AV block, bundle branch block, complete heart block, first-degree heart block, third-degree heart block, cardiac conduction defect, infranodal block, intraatrial block, intraventricular block, sinoatrial block)
seizure disorder (epilepsy)
selective mutism (elective mutism)
self-centeredness (narcissistic personality disorder, NPD, narcissism)
seminoma (testicular cancer, germ cell cancer of the testicle)
senile cerebral amyloid angiopathy (cerebral amyloid angiopathy, congophilic cerebral angiopathy, cerebrovascular amyloidosis)
senile lentigo (age spots, solar lentigo, solar lentigines, liver spots)
senile tremor (essential tremor, benign essential tremor, idiopathic tremor, ET)
senility (dementia)
sensorimotor polyneuropathy (peripheral neuropathy)
sepsis (peripheral neuropathy)
septic abortion (infected abortion)
septic shock (infected abortion)
serum hepatitis (hepatitis B)
serum sickness (hepatitis B)
severe acting out (impulse-control disorders, severe social behavior problems)
severe behavior problems (adolescent conduct disorder, acting out, antisocial behavior, recurring)
severe social behavior problems (impulse-control disorders, severe acting out)
severe vomiting in pregnancy (hyperemesis gravidarum)
sexual dysfunction in women (inhibited sexual desire, lost interest in sex, diminished libido, hypoactive sexual desire disorder, decreased sexual desire, decreased sex drive)
sexual precocity (precocious puberty)
sexually transmitted disease (STD, venereal disease, VD)
shin splints (tibial tendinitis)
shingles (herpes zoster, varicella zoster)
short bowel malabsorption syndrome (short bowel syndrome)
short bowel syndrome (short bowel malabsorption syndrome)
sialolithiasis (salivary duct stones)
sick sinus syndrome (salivary duct stones)
sickle cell anemia (sickle cell trait)
sickle cell trait (sickle cell anemia)
sinoatrial block (heart block, atrioventricular block, AV block, bundle branch block, complete heart block, first-degree heart block, second-degree heart block, third-degree heart block, cardiac conduction defect, infranodal block, intraatrial block, intraventricular block)
sinonasal angiofibroma (juvenile angiofibroma)
sinus infection (sinusitis)
sinus tachycardia (sinusitis)
sinusitis (sinus infection)
skin abscess (abscess, furuncle, carbuncle, boil)
skin cancer (basal cell) (basal cell cancer, basal cell cancer)
skin cancer (melanoma) (melanoma)
skin lesions (lesions on the skin)
skin tags (soft fibroma)
sleep apnea (soft fibroma)
sleep disorders (soft fibroma)
sleepwalking and children (somnambulism, noctambulation)
sleepwalking disorder (somnambulism, noctambulation)
slipped capital femoral epiphysis (SCFE)
slipped disk (ruptured disk, herniated disk)
slow heartbeat (bradycardia)
small for gestational age (intrauterine growth retardation, low birth weight, dysmaturity, intrauterine growth restriction)
smoking (intrauterine growth retardation, low birth weight, dysmaturity, intrauterine growth restriction)
smoking cessation (quitting smoking, nicotine withdrawal)
sociopathic personality disorder (antisocial personality disorder, psychopathic personality disorder)
sodium imbalance (salt imbalance, electrolyte imbalance, hyponatremia, hypernatremia)
soft fibroma (skin tags)
solar keratosis (actinic keratosis)
solar lentigines (age spots, solar lentigo, senile lentigo, liver spots)
solar lentigo (age spots, solar lentigines, senile lentigo, liver spots)
somnambulism (sleepwalking disorder, noctambulation)
sore throat (pharyngitis)
spasm of the esophagus (esophageal spasm, diffuse esophageal spasm, DES)
spasmodic torticollis (torticollis, congenital torticollis, wry neck)
spastic colon (irritable bowel syndrome, IBS)
speech disorders in children (speech impairments in children)
speech impairments in children (speech disorders in children)
spider angioma (spider vein, spider nevi)
spider nevi (spider angioma, spider vein)
spider vein (spider angioma, spider nevi)
spina bifida (spinal rachischisis, spinal dysraphism)
spinal cord abscess (spinal rachischisis, spinal dysraphism)
spinal dysraphism (spina bifida, spinal rachischisis)
spinal rachischisis (spina bifida, spinal dysraphism)
spondylolisthesis (spina bifida, spinal dysraphism)
spontaneous abortion (miscarriage, complete abortion)
sporotrichosis (miscarriage, complete abortion)
spotting (vaginal bleeding between periods, intermenstrual bleeding, metrorrhagia)
sprue (celiac disease, celiac sprue, nontropical sprue, gluten-sensitive enteropathy, gluten intolerance)
squamous cell cancer of the oral cavity (oral cancer, mouth and throat cancer)
stable angina (angina pectoris)
staphylococcal scalded skin (SSSS, Ritter's disease)
stasis dermatitis (venous stasis dermatitis)
status epilepticus (venous stasis dermatitis)
stillbirth (intrauterine fetal death)
stomach cancer (gastric cancer)
stomach ulcer (peptic ulcer disease, gastric ulcer, duodenal ulcer)
straddle injury (genital injury in males, injury to the genitals, penile injury, injury to the testicles)
strep throat (streptococcal pharyngitis)
streptococcal pharyngitis (strep throat)
stress headache (tension headache)
stroke (brain attack, cerebrovascular accident, CVA)
stroke following carotid dissection (stroke from carotid dissection, brain attack)
stroke from atherosclerosis (brain attack)
stroke from cardiogenic embolism (brain attack)
stroke from carotid dissection (brain attack, stroke following carotid dissection)
stroke from carotid stenosis (brain attack)
sty (stye, hordeolum)
stye (hordeolum, sty)
subacute spongiform encephalopathy (Creutzfeldt-Jakob disease)
subacute tonsillitis (tonsillitis, acute tonsillitis, chronic tonsillitis)
substance abuse (drug abuse and addiction)
sudden infant death syndrome (SIDS, crib death)
sugar intolerance in pregnancy (gestational diabetes, diabetes of pregnancy, glucose intolerance in pregnancy)
suicide (gestational diabetes, diabetes of pregnancy, glucose intolerance in pregnancy)
sulfo-iduronate sulfatase deficiency (Hunter syndrome, mucopolysaccharidosis II)
supinator (high arches, pes cavus)
supraventricular tachycardia (paroxysmal supraventricular tachycardia, PSVT, SVT, paroxysmal atrial tachycardia)
swayback (lordosis, hollow back, saddle back)
swelling in the face (facial swelling, face swelling)
swimmer's ear (acute otitis externa, external canal infection)
swollen gums (gingivitis and periodontitis, gum infection, gingivostomatitis, trench mouth, pyorrhea)
symptomatic gastrinoma (Zollinger-Ellison syndrome)
syncopal episode (fainting, passing out, syncope)
syncope (fainting, passing out, syncopal episode)
synovitis - toxic (toxic synovitis, transient synovitis of the hip)
syphilis (toxic synovitis, transient synovitis of the hip)
systemic lupus erythematosus (lupus)
