Conditions beginning with the letter "S" SAD (Seasonal Affective Disorder) SARS (Severe Acute Respiratory Syndrome · Atypical Pneumonia) Scabies (Mite Infestation) Scarlet Fever (Rheumatic Fever) Schizophrenia (Psychosis · Psychotic Disorders) Sciatic Nerve Pain (Sciatica · Shooting Pain · Nerve Compression) Sciatica (Shooting Pain · Nerve Compression · Sciatic Nerve Pain) Scleroderma (Systemic Sclerosis · Morphea) Scoliosis (Spine Curvature · Spinal Curvature) Seasickness (Motion Sickness · Travel Sickness) Seasonal Affective Disorder (SAD) Seizures (Epilepsy · Convulsions) Senile Dementia (Alzheimer's Disease · Senility) Senile Dementia (Dementia · Chronic Brain Syndrome · Organic Brain Syndrome) Senility (Alzheimer's Disease · Senile Dementia) Seventh Nerve Palsy (Bell's Palsy · Facial Paralysis · 7th Nerve Palsy) Severe Acute Respiratory Syndrome (SARS · Atypical Pneumonia) Sexual Dissatisfaction in Women (Female Sexual Dysfunction · Low Libido in Women · Decreased Sex Drive - Female · Lack of Sexual Desire in Women) Sexually Transmitted Disease (STD · VD · Sexually Transmitted Infection) Sexually Transmitted Infection (STD · Sexually Transmitted Disease · VD) Shaking Palsy (Parkinson's Disease) Shell Shock (Post Traumatic Stress Disorder · PTSD) Shingles (Herpes Zoster · Varicella-Zoster · Devil's Whip) Shooting Pain (Sciatica · Nerve Compression · Sciatic Nerve Pain) Sickle Cell Anemia SIDS (Sudden Infant Death Syndrome · Crib Death) Sinus Headache (Headaches · Tension Headache) Sinus Infection (Sinusitis) Sinusitis (Sinus Infection) Siriasis (Heat Stroke · Sunstroke · Heat Exhaustion · Thermic Fever) Sjögren's Syndrome Skin Burns (Burns) Skin Cancer (Basal Cell Cancer · Cancer of the Skin · Squamous Cell Cancer · Superficial Basal Cell Carcinoma) Skin Cancer (Melanoma · Cancer of the Skin · Skin Tumour) Skin Discolouring (Vitiligo · Depigmentation · Loss of Skin Pigmentation) Skin Infections (Cellulitis · Erysipelas · Necrotizing Fasciitis) Skin Tumour (Melanoma · Skin Cancer · Cancer of the Skin) Slapped-cheek Disease (Fifth Disease · Human Parvovirus B19 · Erythema Infectiosum) SLE (Lupus · Systemic Lupus Erythematosus) Sleep Apnea Sleep Disorder (Insomnia · Trouble Sleeping · Sleep Problems) Sleep Problems (Insomnia · Sleep Disorder · Trouble Sleeping) Slipped Disc (Herniated Disc · Prolapsed Disc · Ruptured Disc) Smallpox Smoking Cessation (Stopping Smoking · Quitting Smoking) Social Phobia (Agoraphobia) Soft Bones (Osteomalacia · Rickets) Solar Erythema (Sunburn · Excess Sun) Solar Keratosis (Actinic Keratosis · Precancerous Skin Lesion) Sore Throat (Tonsillitis · Tonsilitis) Spastic Bowel (Irritable Bowel Syndrome · Stomach Cramps · Intestinal Cramps · Spastic Colon) Spastic Colon (Irritable Bowel Syndrome · Stomach Cramps · Intestinal Cramps · Spastic Bowel) Spider Bites Spiderweb Veins (Varicose Veins · Leg Veins · Bulging Veins) Spina Bifida (Spinal Cord Conditions · Birth Defects) Spinal Cord Conditions (Spina Bifida · Birth Defects) Spinal Curvature (Scoliosis · Spine Curvature) Spine Curvature (Scoliosis · Spinal Curvature) Spinning (Vertigo · Dizziness) Sports Injuries (Athletic Injuries) Squamous Cell Cancer (Skin Cancer · Basal Cell Cancer · Cancer of the Skin · Superficial Basal Cell Carcinoma) STD (Sexually Transmitted Disease · VD · Sexually Transmitted Infection) Steatosis (Non-Alcoholic Fatty Liver Disease · NAFLD) Stein-Leventhal syndrome (Polycystic Ovary Syndrome · PCOS · Chronic Hyperandrogenic Anovulation) Stomach Cancer (Gastric Cancer · Cancer of the Stomach) Stomach Cramps (Irritable Bowel Syndrome · Intestinal Cramps · Spastic Bowel · Spastic Colon) Stomach Flu (Gastroenteritis · Norwalk Virus) Stomach Ulcers (Peptic Ulcer Disease · Ulcers · Gastric Ulcers · Duodenal Ulcers) Stopping Smoking (Smoking Cessation · Quitting Smoking) Strep (Strep Throat · Throat Infection · Streptococcal Pharyngitis) Strep Throat (Throat Infection · Strep · Streptococcal Pharyngitis) Streptococcal Pharyngitis (Strep Throat · Throat Infection · Strep) Stroke (Cerebrovascular Accident · Ischemic Stroke · Hemorrhagic Stroke) Styes (Hordeolum) Substance Use Problems (Drug Abuse · Addiction) Sudden Infant Death Syndrome (Crib Death · SIDS) Suicide Sunburn (Excess Sun · Solar Erythema) Sunstroke (Heat Stroke · Heat Exhaustion · Thermic Fever · Siriasis) Superficial Basal Cell Carcinoma (Skin Cancer · Basal Cell Cancer · Cancer of the Skin · Squamous Cell Cancer) Swimmer's Ear (Otitis Externa · Outer Ear Infection) Swine Flu (H1N1 Influenza · H1N1 Flu Virus · Influenza A (H1N1) · Human Swine Flu) Syndrome X (Metabolic Syndrome · Insulin Resistance Syndrome) Syphilis Systemic Lupus Erythematosus (Lupus · SLE) Systemic Sclerosis (Scleroderma · Morphea)