S

Saccular Bronchiectasis (Bronchiectasis (Acquired, Congenital))

Sacroiliac Joint Pain

SAD (Seasonal Affective Disorder (SAD))

SAE (Binswanger's Disease)

Salivary Gland Cancer

Salmonella Food Poisoning (Salmonellosis)

Salmonella Typhi (Typhoid Fever)

Salpingo-Oophorectomy (Hysterectomy)

San Joaquin Valley Fever (Valley Fever)

SAPHO Syndrome

Sarcoidosis

SBS (Shaken Baby Syndrome (Abusive Head Trauma))

Scabies

Scalp Hematoma (Hematoma)

Scalp Psoriasis

Scalp Ringworm (Ringworm)

Scan, Thyroid (Thyroid Scan)

Scar Tissue in the Abdomen (Abdominal Adhesions (Scar Tissue))

Scar, Excessive (Keloid)

Scarlet Fever (Scarlatina)

Scars

Schatzki Ring

Scheuermann's Kyphosis (Kyphosis)

Schistosoma guineensis (Schistosomiasis)

Schistosoma haematobium (Schistosomiasis)

Schistosoma japonicum (Schistosomiasis)

Schistosoma mansoni (Schistosomiasis)

Schistosoma mekongi (Schistosomiasis)

Schistosoma spp. (Schistosomiasis)

Schistosomiasis

Schizoaffective Disorder

Schizophrenia

Schizotypal Personality Disorder

Schonlein-Henoch Purpura (Henoch-Schonlein Purpura)

Schwannoma (Brain Tumor)

Sciatic Neuralgia (Sciatica)

Sciatic Neuritis (Sciatica)

Sciatica

Sclera Inflammation (Scleritis)

Scleritis

Scleroderma

Sclerosing Cholangitis (Primary Sclerosing Cholangitis (PSC))

Sclerotherapy

Scoliosis

Scrape (Cuts, Scrapes and Puncture Wounds)

Screening Cancer (Cancer Detection)

Screening For Colon Cancer (Colon Cancer Screening)

Screening for Prostate Cancer (Prostate Cancer Screening)

Screening Test, Quad Marker (Quad Marker Screen Test)

Scrotum Pain (Testicular Disorders)

Sea Sick (Motion Sickness (Sea Sickness, Car Sickness))

Seasonal Affective Disorder (SAD)

Seborrhea

Seborrheic Dermatitis

Second Degree Burns (Burns)

Second Degree Heart Block (Heart Rhythm Disorders)

Second Trimester of Pregnancy (Pregnancy)

Secondary Amenorrhea (Amenorrhea)

Secondary Dementias (Dementia)

Secondary Glaucoma (Glaucoma)

Secondary Hyopgonadism (Low Testosterone (Low T))

Secondary Lymphedema (Lymphedema)

Secondary Polycythemia (Polycythemia (High Red Blood Cell Count))

Secondhand Smoke

Secondhand Smoke Exposure During Pregnancy (Smoking During Pregnancy)

Sed Rate (Sedimentation Rate)

Sedimentation Rate

Seeing Spots (Eye Floaters)

Segawa's Dystonia (Dystonia)

Seizure

Seizure First Aid (First Aid for Seizures)

Seizure Surgery, Children (Pediatric Epilepsy Surgery)

Seizure Test (EEG - Electroencephalogram)

Seizure, Febrile (Febrile Seizures)

Seizure, Fever-induced (Febrile Seizures)

Seizures in Children (Febrile Seizures)

Seizures Symptoms and Types

Self Breast Exam (Breast Self Exam)

Self Exam (Breast Cancer Follow-Up Self-Exam)

Self Gratification, Sexual (Masturbation)

Semantic Dementia (Pick Disease)

Semen, Blood (Blood In Semen)

SEMG (Electromyogram)

Semimembranosus Muscle (Hamstring Injury)

Semitendinosus Muscle (Hamstring Injury)

Senility (Dementia)

Senior Sex

Sensory Integration Dysfunction (Learning Disability)

Sentinel Lymph Node Biopsy

Separation Anxiety

Sepsis

Septal Hematoma (Hematoma)

Septic Abortion (Miscarriage Causes and Symptoms)

Septic Arthritis

Septicemia (Sepsis)

Septicemic Plague (Plague Facts)

Septoplasty (Nasal Airway Surgery)

Septorhinoplasty (Rhinoplasty)

Septum, Deviated (Deviated Septum)

Seronegative Spondyloarthropathy (Ankylosing Spondylitis)

Serous Cyst Adenomas, Pancreas (Pancreatic Cysts)

Serous Otitis Media (Ear Infection)

Sever Condition

Severe Acute Respiratory Syndrome (Severe Acute Respiratory Syndrome (SARS))

Severe Acute Respiratory Syndrome (SARS)

Severe Sunburn (Sunburn and Sun Poisoning)

Sex and Aging (Senior Sex)

Sex and Menopause (Menopause and Sex)

Sexual (Sex) Problems in Men

Sexual (Sex) Problems in Women

Sexual Addiction

Sexual and Urologic Problems of Diabetes

Sexual Health Overview

Sexual Masochism (Paraphilia)

Sexual Maturation (Puberty)

Sexual Relationships (Sexual Health Overview)

Sexual Response Cycle (Phases of Sexual Response)

Sexual Sadism (Paraphilia)

Sexual Self Gratification (Masturbation)

Sexually Transmitted Diseases (STDs In Women)

Sexually Transmitted Diseases and Pregnancy (STDs)

SGOT Test (Liver Blood Tests)

SGPT Test (Liver Blood Tests)

Shaken Baby Syndrome (Abusive Head Trauma)

Shell Shock (Posttraumatic Stress Disorder)

Shigella Encephalopathy (Encephalopathy)

Shigella Infection

Shin Splints

Shingles (Herpes Zoster)

Shingles and Pregnancy

Shock

Shock Lung (ARDS)

Short Stature (Achondroplasia)

Short-term Insomnia (Insomnia)

Shoulder and Neck Pain Health

Shoulder Bursitis

Shoulder Pain (Shoulder Bursitis)

Shulman's Syndrome (Eosinophilic Fasciitis)

SI Joint Pain (Sacroiliac Joint Pain)

SIBO (Small Intestinal Bacterial Overgrowth (SIBO))

Sicca Syndrome (Sjogren's Syndrome)

Sick Building Syndrome

Sickle Cell

Sickness, Motion (Motion Sickness (Sea Sickness, Car Sickness))

SIDS

Sigmoidoscopy (Flexible Sigmoidoscopy)

Sign Language

Sign Language, American (Sign Language)

Signing for Language (Sign Language)

Silent Stroke (Transient Ischemic Attack (TIA, Mini-Stroke))

Silent Stroke (Stroke Symptoms and Treatment)

Silent Thyroiditis (Thyroiditis)

Silicone Joint Replacement (Joint Replacement Surgery Of The Hand)

Simple Tics (Tourette Syndrome)

Single Balloon Endoscopy (Balloon Endoscopy)

Sinus Bradycardia (Heart Rhythm Disorders)

Sinus Headache

Sinus Surgery

Sinus Tachycardia (Heart Rhythm Disorders)

Sinusitis

Sinusitis (Sinusitis)

SIV (Swine Flu)

Sixth Disease (Roseola)

Sjogren's Syndrome

Skin Abscess (Boils)

Skin Biopsy

Skin Boils (Boils)

Skin Cancer Overview

Skin Infection (Impetigo)

Skin Inflammation (Eczema Facts)

Skin Itching (Itch)

Skin Pigmentation Problems (Birthmarks and Other Skin Pigmentation Problems)

Skin Tag

Skin Test For Allergy

Skin, Laser Resurfacing (Laser Resurfacing)

Skipped Heart Beats (Heart Rhythm Disorders)

Skull Fracture (Broken Bone (Types of Bone Fractures))

Slap Cheek (Fifth Disease)

SLE (Systemic Lupus)

Sleep

Sleep Aids (Sleep Aids And Stimulants)

Sleep Aids And Stimulants

Sleep and Sleep Disorders in Children and Teens

Sleep Apnea

Sleep Disorder (Sleep Apnea)

Sleep Disorder, Periodic Limb Movement (Periodic Limb Movement Disorder)

Sleep Disorders (Sleep)

Sleep Hygiene (Insomnia)

Sleep Paralysis

Sleep Problems (Sleep)

Sleep Related Breathing Disorders

Sleep Stimulants (Sleep Aids And Stimulants)

Sleepiness (Problem Sleepiness)

Sleepiness, Excessive Daytime (Hypersomnia)

Sleeping Beauty Syndrome (Kleine-Levin Syndrome)

Sleepwalking

Sleepy During the Day (Problem Sleepiness)

Sliding Hiatal Hernia (Hiatal Hernia Overview)

Slipped Disc (Herniated Disc)

Small Bowel Endoscopy (Balloon Endoscopy)

Small Head (Microcephaly)

Small Intestinal Bacterial Overgrowth (SIBO)

Small Intestinal Endoscopy (Balloon Endoscopy)

Small Intestine Resction (Bowel Diversion Surgery Ileostomy, Colostomy)

Smallpox

Smell Disorders

Smelly Poop (Stool Color Changes)

Smelly Stools (Stool Color Changes)

Smoke, Secondhand (Secondhand Smoke)

Smokeless Tobacco

Smoker's Lung Pictures (Smoker's Lung: Pathology Photo Essay)

Smoker's Lung: Pathology Photo Essay

smokers cough (Chronic Bronchitis)

Smoking (Smoking and Quitting Smoking)

Smoking and Heart Disease

Smoking and Quitting Smoking

Smoking Cessation (Smoking and Quitting Smoking)

Smoking Cessation and Weight Gain (Weight Control and Smoking Cessation)

Smoking During Pregnancy

Smoking, Marijuana (Marijuana)

Snake Bite

Snakebite (Snake Bite)

Snakebites (Snake Bite)

Sneezing (Hay Fever)

Snoring

Snoring Surgery (Somnoplasty)

Snuff (Smokeless Tobacco)

Sociopathic Personality Disorder (Antisocial Personality Disorder)

Sodium (Electrolytes)

Sodium, Low Levels in the Blood (Hyponatremia)

Solar Keratosis (Actinic Keratosis)

Sole Sweating, Excessive (Hyperhidrosis)

Solid Pseudopapillary Tumor of the Pancreas (Pancreatic Cysts)

Somnambulism (Sleepwalking)

Somnoplasty

Sonogram (Ultrasound)

Sore Nipples: Breastfeeding (Breastfeeding: Common Breastfeeding Challenges)

Sore Throat (Pharyngitis)

Sore Throat Home Remedies and Treatment

Sores, Canker (Canker Sores)

Southeast Asian Hemorrhagic Fever (Dengue Fever)

Spasmodic Torticollis (Dystonia)

Spastic Cerebral Palsy (Cerebral Palsy)

Spastic Colitis (Irritable Bowel Syndrome (IBS))

Spastic Colon (Irritable Bowel Syndrome (IBS))

Speech and Autism (Autism and Communication)

Speech Disorder (Stuttering)

Spermicides (Barrier Methods of Birth Control)

Spider Bites (Black Widow and Brown Recluse)

Spider Veins (Varicose Veins)

Spider Veins, Sclerotherapy (Sclerotherapy)

Spigelian Hernia (Hernia Overview)

Spina Bifida and Anencephaly

Spinal Cord Injury: Treatments and Rehabilitation

Spinal Epidural for Childbirth (Pregnancy: Pain Relief Options for Birth)

Spinal Headaches

Spinal Lumbar Stenosis (Lumbar Stenosis)

Spinal Nerve Compression (Radiculopathy)

Spinal Puncture (Lumbar Puncture)

Spinal Stenosis (Lumbar Stenosis)

Spinal Tap (Lumbar Puncture)

Spine Curvature (Scoliosis)

Spiral Fracture (Broken Bone (Types of Bone Fractures))

Spitting Up in Infants (GERD in Infants and Children)

Spleen, Enlarged (Enlarged Spleen)

Splenomegaly (Enlarged Spleen)

splenomegaly, Gaucher (Gaucher Disease)

Split Personality Disorder (Dissociative Identity Disorder)

Spondylitis (Ankylosing Spondylitis)

Spondyloarthropathy (Ankylosing Spondylitis)

Spondylolisthesis

Spondylolysis (Low Back Pain)

Sponge (Birth Control Methods)

Spongy Degeneration of the Nervous System (Canavan Disease)

Spontaneous Abortion (Miscarriage Causes and Symptoms)

Spontaneous Pneumothorax (Pneumothorax)

Sporadic Swine Influenza A Virus (Swine Flu)

Sporotrichosis

Spotting During Pregnancy (Pregnancy: Bleeding During the First Trimester)

Spousal Abuse (Domestic Violence)

Sprain, Neck (Whiplash)

Sprained Ankle

Sprue (Celiac Disease (Gluten Enteropathy))

Spur, Heel (Heel Spurs)

Squamous Cell Carcinoma (Skin Cancer Overview)

Squamous Intraepithelial Lesion, Cervical (Cervical Dysplasia)

Stage N1 Sleep (Sleep)

Stage N2 Sleep (Sleep)

Stage N3 Sleep (Sleep)

Stale Fish Syndrome (Fish Odor Syndrome (Trimethylaminuria))

Staph (Staph Infection)

Staph Infection

Staphylococcus Aureus (Staph Infection)

Stapled Hemorrhoidectomy

STD In Men (STDs in Men Overview)

STD In Women (Sexually Transmitted Diseases (STDs In Women))

STDs In Men (STDs in Men Overview)

STDs in Men Overview

STDs In Women (Sexually Transmitted Diseases (STDs In Women))

Steatosis (Fatty Liver)

Stein-Leventhal Syndrome (Polycystic Ovary)

Stem Cell Transplant (Peripheral Blood Stem Cell Transplant)

Stem Cells

Stenosing Tenosynovitis (Trigger Finger)

Stenosis, Lumbar (Lumbar Stenosis)

Stenosis, Spinal (Lumbar Stenosis)

Stents (Coronary Angioplasty)

Sterilization, Hysteroscopic (Surgical Sterilization)

Sterilization, Surgical (Surgical Sterilization)

Steroid Injection, Epidural (Epidural Steroid Injection)

Steroid Withdrawal

Steroids to Treat Arthritis

Sticky Stools (Stool Color Changes)

Stiff Lung (ARDS)

Stiff-Person Syndrome

Still's Disease

Stills Disease (Still's Disease)

Stings and Bug Bites (Bug Bites and Stings)

Stinky Breath (Bad Breath)

Stinky Poop (Stool Color Changes)

Stinky Stools (Stool Color Changes)

Stitches

Stomach Ache (Abdominal Pain (Causes, Remedies, Treatment))

Stomach Bypass (Gastric Bypass Surgery)

Stomach Cancer

Stomach Flu (Gastroenteritis (Stomach Flu))

Stomach Lining Inflammation (Gastritis)

Stomach Pain (Gastritis)

Stomach Ulcer (Peptic Ulcer)

Stomach Upset (Dyspepsia)

Stool Acidity Test

Stool Blood Test (Fecal Occult Blood Tests)

Stool Color Changes

Stool Test, Acid (Stool Acidity Test)

Strabismus

Strabismus Treatment, Botox (Botox Treatment)

Strain, Neck (Whiplash)

Strained Voice (Hoarseness)

Strawberry (Cuts, Scrapes and Puncture Wounds)

Strawberry Tongue (Tongue Problems)

Strep Infections (Streptococcal Infections)

Strep Throat (GAS)

Strep Throat Infection Test (Rapid Strep Test)

Streptococcal Infections

Streptococcus, Group A Test (Rapid Strep Test)

Stress

Stress and Heart Disease

Stress Control (Stress Management Techniques)

Stress During Holidays (Holiday Depression And Stress)

Stress Fracture (Broken Bone (Types of Bone Fractures))

Stress Management Techniques

Stress Reduction (Stress Management Techniques)

Stress Tests For Heart Disease (Coronary Artery Disease Screening Tests (CAD))

Stress Throat Test, Rapid (Rapid Strep Test)

Stress, Breast Cancer (Breast Cancer and Coping With Stress)

Stretch Marks

Strictures, Esophagus (Schatzki Ring)

Stroke Prevention

Stroke Symptoms and Treatment

Stroke, Heat (Heat Stroke)

Stroke-like Episodes (MELAS Syndrome)

Study, Gastric Emptying (Gastric Emptying Study)

Stump Appendicitis (Appendicitis)

Stuttering

Sty (Stye)

Subacute Thyroiditis (Thyroiditis)

Subclinical Hypothyroidism (Hypothyroidism)

Subconjunctival Hemorrhage

Subcortical Arteriosclerotic Encephalopathy (Binswanger's Disease)

Subcortical Dementia (Dementia)

Subcortical Ischemic Vascular Disease (Binswanger's Disease)

Subpial Transection (Multiple Subpial Transection)

Substance Abuse (Drug Abuse)

Substance Abuse in Teens (Teen Drug Abuse)

Subungual Hematoma (Hematoma)

Suction Assisted Lipoplasty (Lipoplasty (Ultrasonic Assisted))

Sudden Cardiac Death

Sudecks Atrophy (Reflex Sympathetic Dystrophy Syndrome)

Sugar Test (Glucose Tolerance Test)

Suicide

Sun Poisoning (Sunburn and Sun Poisoning)

Sun Protection and Sunscreens

Sun-Sensitive Drugs (Photosensitivity to Drugs)

Sun-Sensitizing Drugs (Sun-Sensitive Drugs (Photosensitivity to Drugs))

Sunburn and Sun Poisoning

Sunglasses (Eyeglasses, Sunglasses, and Magnifiers)

Sunscreen and Sun Protection (Sun Protection and Sunscreens)

Superficial Thrombophlebitis (Deep Vein Thrombosis)

Superior Vena Cava Syndrome

Supplements (Vitamins and Calcium Supplements)

Supplements and Pregnancy (Pregnancy Drug Dangers)

Suppurative Fasciitis (Necrotizing Fasciitis)

Supracervical Hysterectomy (Hysterectomy)

Supravalvar Aortic Stenosis Syndrome (Williams Syndrome)

Supraventricular Tachycardia, Paroxysmal (Paroxysmal Supraventricular Tachycardia (PSVT))

Surface Echo (Echocardiogram)

Surface Electromyogram (Electromyogram)

Surfer's Nodules (Mycobacterium Marinum)

Surgery Breast Biopsy (Breast Biopsy)

Surgery for GERD (Fundoplication)

Surgery Questions

Surgery, Bowel Resection (Bowel Diversion Surgery Ileostomy, Colostomy)

Surgery, Gastric Banding (Lap Band Surgery (Gastric Banding))

Surgery, Lap Band (Lap Band Surgery (Gastric Banding))

Surgery, Sinus (Sinus Surgery)

Surgery, Ulcerative Colitis (Ulcerative Colitis Surgery)

Surgical Menopause (Premature Menopause (Medical Procedural Causes))

Surgical Options for Epilepsy

Surgical Sterilization

Surrogacy (Infertility)

Surviving Cancer

Suttering Priapism (Priapism (Penis Disorder))

Sutures (Stitches)

Swallowing

Swallowing Problems (Swallowing)

Sweat Chloride Test

Sweat Test (Sweat Chloride Test)

Sweating At Night (Night Sweats)

Swelling Of Tissues (Edema)

Swimming Pool Granuloma (Mycobacterium Marinum)

Swine Flu

Swollen Ankles and Swollen Feet

Swollen Kidney (Hydronephrosis)

Swollen Lymph Glands (Swollen Lymph Nodes)

Swollen Lymph Nodes

Symptoms of Seizures (Seizures Symptoms and Types)

Symptoms of Serious Diseases and Health Problems

Symptoms, Liver (Liver (Anatomy and Function))

Symptoms, Pregnancy (Pregnancy Symptoms Am I Pregnant)

Symptothermal Method of Birth Control (Natural Methods of Birth Control)

Syncope (Fainting)

Syndrome X (Metabolic Syndrome)

Syndrome, Asperger (Asperger Syndrome)

Syndrome, Behcet's (Behcet's Syndrome)

Syndrome, Campomelic (Campomelic Dysplasia)

Syndrome, Cauda Equina (Cauda Equina Syndrome)

Syndrome, Compartment (Compartment Syndrome)

Syndrome, Cyclic Vomiting (Cyclic Vomiting Syndrome (CVS))

Syndrome, Franceschetti-Zwahlen-Klein (Treacher Collins Syndrome)

Syndrome, Hemolytic Uremic (Hemolytic Uremic Syndrome)

Syndrome, Kleine-Levin (Kleine-Levin Syndrome)

Syndrome, Leigh's (Leigh's Syndrome (Leigh's Disease))

Syndrome, Loeys-Dietz (Loeys-Dietz Syndrome)

Syndrome, Marfan (Marfan Syndrome)

Syndrome, Prader-Willi (Prader-Willi Syndrome)

Syndrome, Premenstrual (Premenstrual Syndrome)

Syndrome, Restless Legs (Restless Leg Syndrome)

Syndrome, Stiff-Person (Stiff-Person Syndrome)

Synovial Cyst (Ganglion)

Syphilis (STDs in Men Overview)

Syphilis in Women Overview

Systemic Lupus

Systemic Lupus (Systemic Lupus)

Systemic Onset Juvenile Rheumatoid Arthritis (Still's Disease)

Systemic Sclerosis (Scleroderma)