A to Z
Health Topics
- Sacituzumab govitecan-hziy Injection
- Safe Sleep for Babies
- Safe Use of Long-Acting Opioids
- Safe Use of Non-Warfarin Blood Thinners
- Safe Water for Mixing Infant Formula
- Safely Storing and Getting Rid of Medicines
- Safer Sex
- Safety Plan: Preparing to Leave a Violent Relationship
- Safinamide
- Salicylic Acid Topical
- Saline Nasal Washes for Sinusitis
- Salivary Gland Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
- Salivary Gland Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
- Salivary Gland Scan
- Sally's Story: Avoiding Metabolic Syndrome
- Salmeterol Oral Inhalation
- Salmonellosis
- Salsalate
- Salt Substitute Recipe
- SAM-e
- Sapropterin
- Saquinavir
- Sarah's Story: Dealing With the Emotions From COPD
- Sarcoidosis
- Sarecycline
- Sargramostim
- Sarilumab Injection
- Satralizumab-mwge Injection
- Saving Money on Medicine
- Saw Palmetto
- Saxagliptin
- Saying No to Alcohol and Drugs
- Scabies
- Scalp Problems
- Scaphoid Fracture of the Wrist
- Scarlet Fever
- Schizoaffective Disorder
- Schizophrenia
- Schizophrenia: Encouraging Social Skills
- Schizophrenia: Encouraging Someone to Take the Medicines
- Schizophrenia: Helping Someone Who Is Hallucinating
- Schizophrenia: Helping Someone Who Is Paranoid
- Schizophrenia: Social Skills Training
- Schizophrenia: Warning Signs of Violence
- Schizophrenia: When Hospital Care is Needed
- Sciatica
- Sciatica: Fast facts
- Scleral Buckling Surgery for Retinal Detachment
- Scleroderma
- Sclerotherapy
- Scoliosis in Adults
- Scoliosis in Children and Teens
- Scopolamine Transdermal Patch
- Scorpion Stings
- Scrapes
- Screening for Adverse Childhood Experiences (ACEs)
- Screening for Gestational Diabetes
- Screening for Hearing Problems
- Screening for Weight Problems
- Screenings for Health-Related Social Needs
- Seabather's Eruption
- Seasonal Affective Disorder (SAD)
- Seasonal Affective Disorder: Using Light Therapy
- Seated Exercises for Older Adults
- Seborrheic Dermatitis
- Seborrheic Keratoses
- Secnidazole
- Secobarbital
- Second-Trimester Exams and Tests
- Secondary Adrenocortical Insufficiency
- Secondary High Blood Pressure
- Secukinumab Injection
- Sedation
- Sedimentation Rate (Sed Rate)
- See Yourself as a Nonsmoker
- Seizure Medicine Levels in Blood Test
- Seizures
- Selected Vegetables/Sun's Soup (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
- Selected Vegetables/Sun's Soup (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
- Selective Dorsal Rhizotomy
- Selegiline
- Selegiline Transdermal Patch
- Selenium Sulfide
- Selexipag
- Selexipag Injection
- Self-Care After a Stroke
- Self-Care Supplies
- Self-Catheterization (Female)
- Self-Catheterization (Male)
- Self-Examination for Dental Plaque
- Self-Massage
- Self-Test for Anxiety
- Self-Test for Breath Alcohol
- Selinexor
- Selpercatinib
- Selumetinib
- Semaglutide
- Semaglutide Injection
- Semen Analysis
- Senior Health
- Senna
- Sensory and Motor Development Ages 6 to 10 Years
- Sensory and Motor Development, Ages 1 to 12 Months
- Sensory and Motor Development, Ages 12 to 24 Months
- Sensory and Motor Growth in Newborns
- Sensory Processing Disorder
- Sensual Exercises for Erection Problems
- Sentinel Lymph Node Biopsy
- Separation Anxiety: Helping Your Child
- Sepsis (Septic Shock)
- Serdexmethylphenidate and Dexmethylphenidate
- Serogroup B Meningococcal Vaccine (MenB)
- Serotonin Syndrome
- Sertaconazole Topical
- Sertraline
- Serum Osmolality Test
- Serum Protein Electrophoresis (SPEP) Test
- Setmelanotide Injection
- Setting Goals
- Sevelamer
- Severe Acute Respiratory Syndrome (SARS)
- Sex and Your Heart
- Sex During Pregnancy
- Sexual Abuse or Assault (Rape)
- Sexual Abuse: Signs and Symptoms
- Sexual and Reproductive Organs
- Sexual Health
- Sexual Orientation
- Sexual Problems: How to Talk With Your Partner
- Sexuality and Physical Changes With Aging
- Sexually Transmitted Infection Screening
- Sexually Transmitted Infections
- Sexually Transmitted Infections: How a Male Genital Exam Is Done
- Sharing Memories With Older Adults
- Shellie's Story: Finding Time for Physical Activity
- Sherri's Story: Medicines Do Work
- Shift Work Sleep Disorder
- Shigellosis
- Shin Splints
- Shingles
- Shingles: Should I Get a Vaccine to Prevent Shingles?
- Shock
- Shock Wave Lithotripsy
- Should My Son Be Circumcised?
- Shoulder and Arm Exercises After Breast Surgery
- Shoulder and Neck Massage
- Shoulder Bursitis and Tendon Injury: Preventing Pain
- Shoulder Problems and Injuries
- Shoulder Replacement Surgery
- Shoulder Replacement Surgery: Returning Home
- Shoulder Replacement: Before Your Surgery
- Shoulder Separation
- Shoulder SLAP Tear
- Sibling Rivalry: Reducing Conflict and Jealousy
- Sick Sinus Syndrome
- Sick-Day Guidelines for People With Diabetes
- Sickle Cell Crisis
- Sickle Cell Disease
- Sickle Cell Disease: Aplastic Crisis
- Sickle Cell Disease: Pain Management
- Sickle Cell Disease: Preventing Problems and Staying Healthy
- Sickle Cell Disease: Splenic Sequestration
- Sickle Cell Disease: Vision Problems
- Sickle Cell Disorders
- Sickle Cell Test
- Sickle Cell Trait
- Side Effects of Chemotherapy
- Sigmoidoscopy (Anoscopy, Proctoscopy)
- Signs of Labor
- Signs That Your Baby Is Getting Enough to Eat
- Sildenafil
- Silodosin
- Siltuximab Injection
- Silver Sulfadiazine
- Simeprevir
- Simethicone
- Simple Prostatectomy for Benign Prostatic Hyperplasia
- Simple Ways to Connect With Others and Reduce Loneliness
- Simvastatin
- Single Photon Emission Computed Tomography (SPECT)
- Sinus Surgery for Sinusitis
- Sinusitis
- Sinusitis: Should I Have Surgery?
- Siponimod
- Sipuleucel-T Injection
- Sirolimus
- Sirolimus (with albumin) Injection
- Sitagliptin
- Sjögren's Syndrome
- Sjögren's: Caring for Yourself at Home
- Skin Adhesives (Liquid Stitches)
- Skin and Wound Cultures
- Skin Biopsy
- Skin Cancer Prevention (PDQ®): Prevention - Health Professional Information [NCI]
- Skin Cancer Prevention (PDQ®): Prevention - Patient Information [NCI]
- Skin Cancer Prevention: How to Check Your Skin
- Skin Cancer Screening
- Skin Cancer Screening (PDQ®): Screening - Health Professional Information [NCI]
- Skin Cancer Screening (PDQ®): Screening - Patient Information [NCI]
- Skin Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
- Skin Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
- Skin Cancer, Melanoma
- Skin Cancer, Nonmelanoma
- Skin Cancer: Preventing It and Watching for Early Signs
- Skin Changes
- Skin Cyst: Home Treatment
- Skin Rashes: Home Treatment
- Skin, Hair, and Nails
- Skull X-Ray
- Sleep and Your Body Clock
- Sleep and Your Health
- Sleep and Your Health
- Sleep Apnea
- Sleep Apnea: Having Trouble With CPAP?
- Sleep Apnea: How Is It Treated?
- Sleep Apnea: How Treatment Can Improve Your Life
- Sleep Apnea: Should I Have a Sleep Study?
- Sleep Apnea: Should I Have Surgery?
- Sleep Apnea: Time to Get Checked
- Sleep Apnea: Using CPAP
- Sleep Apnea: What Is It?
- Sleep Disorders (PDQ®): Supportive care - Health Professional Information [NCI]
- Sleep Disorders (PDQ®): Supportive care - Patient Information [NCI]
- Sleep Importance
- Sleep Journal
- Sleep Problems
- Sleep Problems During Pregnancy
- Sleep Problems, Age 12 and Older
- Sleep Problems: Dealing With Jet Lag
- Sleep Problems: Getting Past Barriers to Powering Down
- Sleep Problems: Make a Plan to Power Down
- Sleep Studies
- Sleep, Rest, and Breastfeeding
- Sleep: Helping Your Children—and Yourself—Sleep Well
- Sleeping Better
- Sleeping Better
- Slipped Capital Femoral Epiphysis
- Slit Lamp Examination
- Small Cell Lung Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
- Small Cell Lung Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
- Small Intestine Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
- Small Intestine Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
- Small Joint Surgery for Osteoarthritis
- Smallpox
- Smallpox/Monkeypox Vaccine (JYNNEOS™): What You Need to Know
- Smallpox/Mpox Vaccine
- Smart Decisions: Know Your Options
- Smoking and Coronary Artery Disease
- Smoking Fewer Cigarettes
- Smoking: Choosing a Good Time to Quit
- Smoking: Health Risk for Family Members
- Smoking: Problems With Pregnancy
- Smoking: Sexual and Reproductive Problems
- Snack Ideas for Preschoolers
- Snake and Lizard Bites
- Snake Antivenom
- Snakebite: Symptoms of a Pit Viper Bite
- Snoring
- Snoring and Obstructive Sleep Apnea
- Social Anxiety Disorder
- Social Connections
- Social Factors That Can Affect Health
- Sodium (Na) in Blood Test
- Sodium (Na) in Urine Test
- Sodium Bicarbonate
- Sodium Ferric Gluconate Injection
- Sodium Oxybate
- Sodium Phenylbutyrate and Taurursodiol
- Sodium Phosphate
- Sodium Phosphate Rectal
- Sodium Picosulfate, Magnesium Oxide, and Anhydrous Citric Acid
- Sodium Polystyrene Sulfonate
- Sodium Record
- Sodium Zirconium Cyclosilicate
- Sofosbuvir
- Sofosbuvir and Velpatasvir
- Sofosbuvir, Velpatasvir, and Voxilaprevir
- Sofpironium
- Soft Tissue Sarcoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
- Soft Tissue Sarcoma Treatment (PDQ®): Treatment - Patient Information [NCI]
- Solifenacin
- Solriamfetol
- Somapacitan-beco Injection
- Somatrogon-ghla injection
- Somatropin
- Sonidegib
- Sonohysterogram
- Sorafenib
- Sore Throat and Other Throat Problems
- Sore Throat: Here's Help
- Sotagliflozin
- Sotalol
- Sotatercept-csrk Injection
- Sotorasib
- Sotrovimab Injection
- Sparsentan
- Spasticity
- Special Diets for Epilepsy
- Speech and Language Delays: Common Misconceptions
- Speech and Language Development
- Speech and Language Development: Helping Your 1- to 2-Year-Old
- Speech and Language Development: Signs of Possible Problems
- Speech and Language Milestones, Ages 1 to 3 Years
- Speech and Language Milestones, Ages 3 to 5 Years
- Speech and Language Milestones, Birth to 1 Year
- Sperm Penetration Tests
- Spermatocele (Epididymal Cyst)
- Spermicide for Birth Control
- Spesolimab-sbzo injection
- Spina Bifida
- Spinal and Epidural Anesthesia
- Spinal and Epidural Pain Relief for Childbirth
- Spinal Cord Injury: Abdominal Thrust Assist (Assisted Cough)
- Spinal Cord Injury: Adapting Your Home
- Spinal Cord Injury: Autonomic Dysreflexia
- Spinal Cord Injury: Costophrenic Assist (Assisted Cough)
- Spinal Cord Injury: Flexibility Exercises
- Spinal Cord Injury: Safe Transfers To or From a Wheelchair
- Spinal Cord Injury: Self-Assisted Cough
- Spinal Cord Injury: Sensual Exercises
- Spinal Cord Injury: Talking With Your Partner About Sex
- Spinal Decompression for Neck Pain
- Spinal Fusion for Scoliosis
- Spinal Manipulation
- Spinal Stenosis Surgery: How Others Decided
- Spinal Stenosis: Home Treatment and Physical Therapy
- Spinal Tap (Lumbar Puncture)
- Spinal X-Ray
- Spinosad Topical
- Spirituality and Your Health
- Spirituality in Cancer Care (PDQ®): Supportive care - Health Professional Information [NCI]
- Spirituality in Cancer Care (PDQ®): Supportive care - Patient Information [NCI]
- Spirometry Tests for Children
- Spironolactone
- Spironolactone and Hydrochlorothiazide
- Spitting Up
- Splenectomy
- Splint Care Tips
- Splinting
- Spondyloarthropathies
- Spondylolisthesis
- Spondylolysis and Spondylolisthesis
- Sponge Bath for a Child's Fever
- Sports Hernia
- Sprained Ankle: Rehabilitation Exercises
- Sprained Ankle: Using a Compression Wrap
- Sputum Culture
- Sputum Cytology
- Squamous Cell Skin Cancer
- St. John's Wort
- Stages of Chronic Kidney Disease
- Stages of Lyme Disease
- Stages of Sleep
- Stages of Syphilis
- Staph Food Poisoning
- Staph Infection
- Starting Antidepressants: How to Care for Your Child
- Starting Medicines for ADHD: How to Care for Your Child
- Statins
- Statins Are Important After a Heart Attack
- Statins: Overcoming Barriers to Taking Them
- Statins: Should I Take Them to Prevent a Heart Attack or Stroke?
- Statins: Should You Take Them to Lower Your Risk?
- Stavudine
- Staying Active as a Family
- Staying Aware of What Your Child Is Doing Online
- Staying Healthy Around Animals
- Staying Safe When You Take Several Medicines
- Staying Safe: After You Leave a Violent Relationship
- Staying Safe: If You Are in a Violent Relationship
- Staying With Your Eating Plan When Your Schedule Shifts
- Stem Cell Donation
- Stem Cell Transplant for Sickle Cell Disease
- Stem Cell Transplant: Before Your Procedure
- Stem CellTransplant: Returning Home
- Steroid Medicine for Asthma: Myths and Facts
- Steroid-Induced Osteoporosis
- Steve's Story: Coping With Arthritis
- Stillbirth
- Stimulate Your Baby's Learning
- Stiripentol
- Stomach (Gastric) Cancer Causes and Risk Factors: Prevention - Patient Information [NCI]
- Stomach (Gastric) Cancer Prevention (PDQ®): Prevention - Health Professional Information [NCI]
- Stomach (Gastric) Cancer Screening (PDQ®): Screening - Health Professional Information [NCI]
- Stomach (Gastric) Cancer Screening: Screening - Patient Information [NCI]
- Stool Analysis
- Stool Culture
- Stool Softeners
- Stool Tests for Colorectal Cancer
- Stop Negative Thoughts: Choosing a Healthier Way of Thinking
- Stop Negative Thoughts: Getting Started With Thought Reframing
- Stopping a Nosebleed
- Stopping Facial Bleeding
- Stopping Medicine for Epilepsy
- Stories From People Controlling Their Asthma
- Stories From People Recovering From Depression
- Stories From People With New Depression
- Stories From People With Recurring Depression
- Storing Breast Milk
- Storing Insulin and Prefilling Syringes
- Strabismus
- Strep Test for Children
- Strep Throat
- Streptozocin
- Stress and Back Pain
- Stress and Coping: Mindfulness Can Help
- Stress Echocardiogram
- Stress in Children and Teens
- Stress Incontinence
- Stress incontinence: Fast Facts
- Stress Management
- Stress Management: Doing Breathing Exercises
- Stress Management: Doing Guided Imagery
- Stress Management: Doing Imagery Exercises
- Stress Management: Doing Meditation
- Stress Management: Doing Progressive Muscle Relaxation
- Stress Management: Helping Your Child With Stress
- Stress Management: Managing Your Time
- Stress Management: Practicing Yoga to Relax
- Stress Management: Relaxing Your Mind and Body
- Stress Management: Using Yoga to Relax
- Stress Relief and Relaxation
- Stroke
- Stroke Prevention: Should I Have a Carotid Artery Procedure?
- Stroke Recovery: Coping With Eating Problems
- Stroke Recovery: Finding What Inspires You
- Stroke Recovery: Using Support to Stay Positive
- Stroke Rehabilitation
- Stroke: Behavior Changes
- Stroke: Bladder and Bowel Problems
- Stroke: Changes in Emotions
- Stroke: Dealing With Depression
- Stroke: Fast facts
- Stroke: Getting Dressed
- Stroke: How to Prevent Another One
- Stroke: Know the Signs and BE FAST
- Stroke: Memory Tips
- Stroke: Perception Changes
- Stroke: Preventing Injury in Affected Limbs
- Stroke: Problems With Ignoring the Affected Side
- Stroke: Speech and Language Problems
- Stroke: Understanding the Symptoms
- Stroke: Understanding Your Emotions
- Stroke: What Is Stroke Rehab?
- Stroke: What's Your Risk?
- Stroke: Your Rehabilitation Team
- Strontium-89 Chloride
- Stuttering
- Styes and Chalazia
- Subacromial Smoothing and Acromioplasty for Rotator Cuff Disorders
- Subchorionic Hemorrhage
- Subclinical Hyperthyroidism
- Subclinical Hypothyroidism
- Substance Use and Mental Health Conditions
- Substance Use Disorder
- Substance Use Disorder: Dealing With Teen Substance Use
- Substance Use Disorder: Treatment Options
- Substance Use Disorders in Older Adults
- Substance Use Problems
- Substance Use: Helping Someone Get Treatment
- Substance Use: Staying Alcohol- or Drug-Free After Treatment
- Sucralfate
- Sudden Heart Failure
- Sudden Infant Death Syndrome (SIDS)
- Sugar Alcohols
- Suicidal Thoughts or Threats
- Sulconazole Topical
- Sulfacetamide Ophthalmic
- Sulfadiazine
- Sulfasalazine
- Sulfinpyrazone
- Sulindac
- Sumatriptan
- Sumatriptan Injection
- Sumatriptan Nasal
- Sun Protection to Prevent Sunburn
- Sunburn
- Sunitinib
- Support for Staying Active
- Support Groups and Social Support
- Supporting a Child Who Has a Mental Health Condition
- Supporting Someone After Inpatient Mental Health Treatment
- Supporting Someone During Inpatient Mental Health Treatment
- Supporting Someone Who Has an Eating Disorder
- Supporting Someone Who Takes Medicines for a Mental Health Condition
- Suprapubic Catheter Care
- Supraventricular Tachycardia
- Surgery for an Achilles Tendon Rupture
- Surgery for Glaucoma and a Cataract
- Surgery for Ovarian Cysts
- Surgery for Tennis Elbow
- Surgery: Questions to Ask the Doctor
- Surgery: What to Expect
- Surgical Nail Removal for Fungal Nail Infections
- Surgical Removal of Genital Warts by Excision
- Susan's Story: A Friend Really Helps
- Sutimlimab-jome Injection
- Suvorexant
- Swallowed Air
- Swallowed or Inhaled Objects
- Sweat Test
- Swelling
- Swelling During Pregnancy
- Swimmer's Ear (Otitis Externa)
- Swimmer's Itch
- Swollen Glands, Hernias, and Other Lumps Under the Skin
- Swollen Lymph Nodes
- Symptom Clusters in Cancer (PDQ®): Supportive care - Health Professional Information [NCI]
- Symptoms of Depression
- Symptoms of Depression in Children
- Symptoms of High Blood Sugar
- Symptoms of Low Blood Sugar
- Symptoms of Severe Anxiety and Panic
- Symptoms of Stress and Sleep Problems
- Synovectomy for Rheumatoid Arthritis
- Syphilis
- Syphilis Tests