Browse Topics
Haemophilus influenzae type b (Hib) Vaccine
Haemophilus influenzae type b (Hib) Vaccine: What You Need to Know
Hair Analysis
Hair Loss
Hair Loss From Cancer Treatment
Hair Transplant Surgery
Hairy Cell Leukemia Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Hairy Cell Leukemia Treatment (PDQ®): Treatment - Patient Information [NCI]
Halcinonide Topical
Halobetasol Topical
Haloperidol
Haloperidol Injection
Hammer, Claw, and Mallet Toes
Hand and Foot Dermatitis
Hand-Foot-and-Mouth Disease
Handling Sadness and Yearning After a Major Loss
Hands-Only CPR
Hand-Washing
Hantavirus Cardiopulmonary Syndrome (HCPS)
Harmful Noise Levels
Hay Fever and Other Seasonal Allergies
Head Injury, Age 3 and Younger
Head Injury, Age 4 and Older
Head Lice
Headache Clinics
Headache Prevention: Posture and Body Mechanics
Headaches
Headaches
Headaches: Avoiding Triggers
Headaches: Keeping a Diary
Headaches: Managing a Headache
Healing Through Humor
Healing Touch
Health and Safety, Ages 2 to 5 Years
Health and Safety, Birth to 2 Years
Health Claims on Food Labels
Health Problems Associated With Adult Obesity
Health Risks
Health Risks Related to Smokeless Tobacco
Health Screening: Finding Health Problems Early
Health Tracking Forms and Checklists
Healthwise Self-Care Checklist: Do I Need to Go to the Doctor?
Healthwise Symptom Checker
Healthy Aging
Healthy Aging: Is It Time to Stop Driving?
Healthy Attitudes Toward Food and Exercise
Healthy Eating
Healthy Eating
Healthy Eating and Older Adults
Healthy Eating and Stress
Healthy Eating Basics: Building Healthy Meals
Healthy Eating Basics: Cooking
Healthy Eating: Changing Your Eating Habits
Healthy Eating: Cutting Unhealthy Fats From Your Diet
Healthy Eating: Eating Heart-Healthy Foods
Healthy Eating: Eating Less Sodium
Healthy Eating for Children
Healthy Eating: Getting Back on Track
Healthy Eating: Getting Support When Changing Your Eating Habits
Healthy Eating: Helping Your Child Learn Healthy Eating Habits
Healthy Eating in Children: Problems Caused by Poor Nutrition
Healthy Eating in Children: Things That Influence Food Choices
Healthy Eating in Social Situations
Healthy Eating: Make It Work for You
Healthy Eating: Making Healthy Choices When You Eat Out
Healthy Eating: Making Healthy Choices When You Shop
Healthy Eating: Making Meals With Less Sodium
Healthy Eating: Overcoming Barriers to Change
Healthy Eating: Recognizing Your Hunger Signals
Healthy Eating: Starting a Plan for Change
Healthy Eating: Staying With Your Plan
Healthy Eating: Taking Calcium and Vitamin D
Healthy Habits for Kids
Healthy Habits to Prevent Osteoporosis
Healthy Muscles
Healthy Weight: Find Your Inspiration
Healthy Weight: Make Your Plan
Healthy Weight: Thought-Tracking Journal
Healthy Weight: What Works
Healthy Weight: When Success Slows Down
Hearing Aids
Hearing Loss
Hearing Tests
Heart and Circulation
Heart Arrhythmias and Exercise
Heart Attack
Heart Attack and Stroke: A Woman's Risk
Heart Attack and Stroke in Women: Reducing Your Risk
Heart Attack and Stroke: Lowering a Woman's Risk
Heart Attack and Stroke Risk Screening
Heart attack: Fast facts
Heart Attack: How to Prevent Another One
Heart Block
Heart Failure
Heart Failure: Activity and Exercise
Heart Failure and Sexual Activity
Heart Failure: Avoiding Medicines That Make Symptoms Worse
Heart Failure: Being Active
Heart Failure: Checking Your Weight
Heart Failure: Checking Your Weight Daily
Heart Failure: Compensation by the Heart and Body
Heart Failure Daily Action Plan
Heart failure: Fast facts
Heart Failure: How Support Can Help
Heart Failure: Learn to Recognize Symptoms
Heart Failure: Limiting Fluids
Heart Failure: Limiting Sodium
Heart Failure: Living Better by Caring for Yourself
Heart Failure: Should I Get an Implantable Cardioverter-Defibrillator (ICD)?
Heart Failure: Support After Your Hospital Stay
Heart Failure: Taking Medicines
Heart Failure: Taking Prescription and Over-the-Counter Medicines
Heart Failure: Tips for Easier Breathing
Heart Failure: Track Your Weight, Food, and Sodium
Heart Failure: Watching Your Fluids
Heart Failure: What Are Daily Symptom Checks?
Heart Failure: What Is It?
Heart Failure: When to Act on Your Symptoms
Heart Failure With Preserved Ejection Fraction (Diastolic Heart Failure)
Heart Failure With Reduced Ejection Fraction (Systolic Heart Failure)
Heart Failure: Your Reason to Be Active
Heart Health: Finding Support for Healthy Changes
Heart Health: Walking for a Healthy Heart
Heart Health: Where Will You Be in 5 Years?
Heart Murmur
Heart Rate Problems: Should I Get a Pacemaker?
Heart Rhythm Problems and Driving
Heart Rhythm Problems: Diary of Symptoms
Heart Rhythm Problems: Should I Get an Implantable Cardioverter-Defibrillator (ICD)?
Heart Rhythm Problems: Symptoms
Heart Tests: When Do You Need Them?
Heart Transplant
Heart Valve Disease
Heart Valve Repair or Replacement: Before Your Surgery
Heartburn
Heartburn: Changing Your Eating Habits
Heartburn During Pregnancy
Heart-Healthy Diet
Heart-Healthy Eating
Heart-Healthy Eating: Fish and Fish Oil
Heart-Healthy Lifestyle
Heat or Ice for Low Back Pain
Heat Rash
Heat Waves
Heat-Related Illnesses
Heavy Menstrual Periods
Heavy Sweating
Heel Bursitis or Tendon Injury: Preventing Pain
Heimlich Maneuver for Adults and Children Older Than 1 Year
Helicobacter Pylori Bacteria
Helicobacter Pylori Tests
HELLP Syndrome
Help for Anger Problems
Help Your School-Age Child Develop Social Skills
Help Your Working Teen Balance Responsibilities and Set Priorities
Helping a Child Overcome Adverse Childhood Experiences (ACEs)
Helping a Family Member Who Has PTSD
Helping a Person During a Seizure
Helping Adolescents Develop More Mature Ways of Thinking
Helping Children During Immunizations
Helping Children With Disabilities Stay Active
Helping Kids Handle Peer Pressure
Helping Someone During a Panic Attack
Helping Your Child Avoid Tobacco, Drugs, and Alcohol
Helping Your Child Build a Healthy Body Image
Helping Your Child Build Inner Strength
Helping Your Child Build Self-Esteem
Helping Your Child Deal With Asthma
Helping Your Child Manage Their Emotional Reactions
Helping Your Child Prevent and Manage Seizures
Helping Your Child Recover After a Traumatic Event
Helping Your Child Transition Into Middle School or Junior High
Helping Your Child Who Is Overweight
Helping Your Newborn Learn
Helping Your School-Age Child Learn About the Body
Helping Your Teen Become a Safe Driver
Helping Your Teen Recover After a Traumatic Event
Hemochromatosis
Hemochromatosis Gene (HFE) Test
Hemochromatosis Genetic Screening
Hemodialysis
Hemodialysis Access: When Is the Right Time?
Hemoglobin Electrophoresis Test
Hemophilia
Hemophilia: Preventing Bleeding Episodes
Hemorrhagic Stroke
Hemorrhoidectomy
Hemorrhoidectomy: Before Your Surgery
Hemorrhoidectomy: Returning Home
Hemorrhoids
Henna Tattoos (Mehndi)
Heparin Injection
Hepatitis A
Hepatitis A Vaccine
Hepatitis A Vaccine: What You Need to Know
Hepatitis A Virus Test
Hepatitis B
Hepatitis B: How to Avoid Spreading the Virus
Hepatitis B: Postvaccination Test for Immunity
Hepatitis B Vaccine
Hepatitis B Vaccine: What You Need to Know
Hepatitis B Virus Tests
Hepatitis C
Hepatitis C in Pregnancy
Hepatitis C Viral Load Test
Hepatitis C Virus Tests
Hepatitis C: Your Risk for Cirrhosis
Hepatitis D
Hepatitis E
Hepatitis Panel
Hereditary Diffuse Gastric Cancer (PDQ®): Genetics - Health Professional Information [NCI]
Hereditary Kidney Cancer Syndromes (PDQ®): Genetics - Patient Information [NCI]
Hereditary Leiomyomatosis and Renal Cell Cancer (PDQ®): Genetics - Health Professional Information [NCI]
Hereditary Papillary Renal Carcinoma (PDQ®): Genetics - Health Professional Information [NCI]
Here's Help: How to Apply a Topical Cream for Your Child
Here's Help: How to Give Your Child Eardrops
Here's Help: How to Give Your Child Eyedrops or Eye Ointment
Here's Help: How to Give Your Child Oral Medicine
Here's Help: How to Give Yourself Eyedrops or Eye Ointment
Here's Help: How to Insert Your Child's Suppository
Here's Help: How to Use Nasal Spray or Drops for Your Child
Here's Help: Mild Dehydration in Your Baby or Child
Here's Help: Mild Head Injury (Bump, Cut, or Scrape) in Children
Here's Help: Mild Heat Exhaustion in Children
Here's Help: Mild Sunburn in Children
Here's Help: Minor Burn in Children
Here's Help: When Your Newborn Is Sick
Herniated disc: Fast Facts
Herniated Disc Surgery: How Others Decided
Heroin
Herpes Tests
Hiatal Hernia
Hiccups
HIDA Scan
Hidden Gluten
Hidradenitis Suppurativa
High Blood Pressure
High Blood Pressure
High Blood Pressure: Checking Your Blood Pressure at Home
High Blood Pressure During Pregnancy
High Blood Pressure in Children and Teens
High Blood Pressure: Make the Most of Home Monitoring
High Blood Pressure: Nutrition Tips
High Blood Pressure: Over-the-Counter Medicines to Avoid
High Blood Pressure: Should I Take Medicine?
High Blood Pressure: Taking Medicines Properly
High Blood Pressure: The DASH Diet
High Blood Pressure: Using the DASH Diet
High Cholesterol
High Cholesterol: How a Dietitian Can Help
High Cholesterol: Making Lifestyle Changes
High Triglycerides
High-Potassium Foods
High-Pressure Injection Wounds
High-Protein Foods for Wound Healing
High-Risk Pregnancy
High-Sensitivity C-Reactive Protein (hs-CRP) Test
Hip Bursitis or Tendon Injury: Preventing Pain
Hip Fracture
Hip Fracture Repair (Hip Pinning)
Hip Fracture Surgery
Hip Injuries, Age 11 and Younger
Hip Injuries, Age 12 and Older
Hip Problems, Age 11 and Younger
Hip Problems, Age 12 and Older
Hip Repair Surgery: Returning Home
Hip Replacement: Before Your Surgery
Hip Replacement Surgery: How Others Decided
Hip Replacement Surgery: Returning Home
Hip Replacement: When Can You Be Active Again?
Hirschsprung Disease
Histrelin Implant
HIV and Exercise
HIV and Fatigue
HIV and Pregnancy
HIV (Human Immunodeficiency Virus) Infection
HIV: Nonprogressors and HIV-Resistant People
HIV: Preventing Infections
HIV Screening
HIV: Taking Antiretroviral Medicines
HIV Treatment in Children
HIV: Understanding the Test
HIV Viral Load
HIV Viral Load Test
Hoarding Disorder
Hodgkin Lymphoma
Hodgkin Lymphoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Hodgkin Lymphoma Treatment (PDQ®): Treatment - Patient Information [NCI]
Home Blood Pressure Log
Home Blood Pressure Test
Home Blood Sugar Diary
Home Blood Sugar Test
Home Ear Examination
Home Health Care: What to Expect
Home Lung Function Test
Home Pregnancy Tests
Home Remedies for Bites and Stings
Home Test for Urinary Tract Infections
Home Treatment First Aid for Cold Exposure
Home Treatment for Herniated Disc Pain
Home Treatment for Second-Degree Burns
Homeopathy
Homocysteine
Homocystinuria
Hormonal Birth Control: Risk of Blood Clots
Hormone Inhibin A Test
Hormone Therapy for Abnormal Uterine Bleeding
Hormone Therapy for Prostate Cancer (Androgen Deprivation Therapy, or ADT)
Hormone Treatment for Breast Cancer
Hormones
Hospice Care
Hospice (PDQ®): Supportive care - Health Professional Information [NCI]
Hospital Discharge Planning
Hospital Isolation Rooms
Hospital Isolation Rooms
Hospital Patient Advocates
Hospital Policies and Breastfeeding
Hospital-Acquired Pneumonia (Nosocomial Pneumonia)
Hot and Cold Therapy for Arthritis
Hot Flashes and Night Sweats (PDQ®): Supportive care - Health Professional Information [NCI]
Hot Flashes and Night Sweats (PDQ®): Supportive care - Patient Information [NCI]
How a Heart Attack Happens
How ADHD Affects Your Child
How Adolescent Thinking Develops
How and When to Give Naloxone
How Birth Control Methods Prevent Pregnancy
How Diabetes Causes Blindness
How Diabetes Causes Foot Problems
How Others Manage Diabetes
How Plaque Increases the Risk of a Heart Attack
How Pregnancy (Conception) Occurs
How Reading Helps Language Development
How Secondhand Smoke Affects Your Child
How the Heart Works
How to advocate for your health
How to Build Well-Being
How to Calm a Crying Baby
How to Check Your Heart Rate
How to Do a Hamstring Stretch While Sitting
How to Do Ankle Pumps
How to Do Calf Stretches While Sitting
How to Do Chair Push-Ups
How to Do Curl-Ups
How to Do Glute Sets
How to Do Guided Imagery
How to Do Heel Raises
How to Do Heel Slides
How to Do Mindfulness Meditation
How to Do Progressive Muscle Relaxation
How to Do Quad Sets
How to Do Short-Arc (Terminal) Knee Extensions While Standing
How to Do Stationary Biking for Knee Rehab
How to Do Step-Up and Step-Down Exercises
How to Do Straight-Leg Raises
How to Do the Bird Dog Exercise
How to Do the Bridging Exercise
How to Do the Hamstring Stretch in a Doorway
How to Do the Hip Abduction Exercise
How to Do the Hip Flexor Stretch
How to Do the Knee Flexion Stretch While Sitting
How to Do the Long-Arc Quad Exercise
How to Do the Passive Knee Stretch
How to Do the Pelvic Tilt Exercise
How to Do the Press-Up Exercise
How to Do the Short-Arc Quad Exercise
How to Do the Single Knee-to-Chest Exercise
How to Do the Single-Leg Balance Exercise
How to Do the Wall Sit Exercise
How to Drain Blood From Under a Nail
How to Eat Healthy When You're Home All The Time
How to Find Sodium
How to Get Help During a Mental Health Crisis
How to Get Moving While in the Hospital
How to Get Rid of Medicines
How to Get Up Safely After a Fall
How to Give a Glucagon Shot
How to Give a Subcutaneous Injection
How to Give an Epinephrine Shot to a Child
How to Give an Intramuscular Injection
How to Give Yourself an Anticoagulant (Blood Thinner) Shot
How to Give Yourself an Epinephrine Shot
How to Hand Express Breast Milk
How to Help Someone During a Seizure
How to Help Your Child Prevent a Fall in the Hospital
How to Overcome Adverse Childhood Experiences (ACEs)
How to Prevent a Second Heart Attack
How to Prevent Abusive Head Trauma
How to Put On Compression Stockings
How to Stop a Nosebleed
How to Swaddle Safely
How to Take Birth Control Pills
How to Teach Your Child by Example
How to Track Your Stress
How to Use a Breast Pump
How to Use a Nebulizer With a Mask
How to Use an Incentive Spirometer
How to Use an Insulin Pen
How to Use Glucagon Nasal Spray
How to Wear a Mask to Help Prevent Respiratory Infections
How to Wear a Sling
How to Wrap a Sprained Ankle
How You Can Help Manage Your Child's Pain in the Hospital
How You Can Help Older Adults Stay Connected
How Your Mind and Body React to Stress
HPV (Human Papillomavirus) Vaccine: What You Need to Know
HPV: Should I Get the Vaccine?
HPV: Should My Child Get the Vaccine?
Human Chorionic Gonadotropin (HCG) Test
Human Immunodeficiency Virus (HIV) Test
Human Insulin Injection
Human Papillomavirus (HPV) Test of the Cervix
Human Papillomavirus (HPV) Vaccine
Human Papillomavirus (HPV) Vaccine (Cervarix)
Humor Therapy
Hunger, Fullness, and Appetite Signals
Huntington Disease Genetic Test
Hydralazine
Hydrazine Sulfate (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
Hydrazine Sulfate (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
Hydrocele
Hydrochlorothiazide
Hydrocodone
Hydrocodone Combination Products
Hydrocortisone
Hydrocortisone for Itching
Hydrocortisone Injection
Hydrocortisone Rectal
Hydrocortisone Topical
Hydromorphone
Hydromorphone Injection
Hydromorphone Rectal
Hydronephrosis: Fast Facts
Hydrotherapy
Hydroxychloroquine
Hydroxyurea
Hydroxyzine
Hyoscyamine
Hyperbaric Oxygen Therapy for Carbon Monoxide Poisoning
Hyperkalemia
Hyperparathyroidism
Hypertension (high blood pressure): Fast Facts
Hypertensive Emergency
Hyperthyroidism
Hyperthyroidism: Graves' Ophthalmopathy
Hypertrophic Cardiomyopathy
Hypertrophic Cardiomyopathy: Risk of Sudden Death
Hypertrophic Cardiomyopathy Types
Hyperventilation
Hypnosis
Hypoglycemia (Low Blood Sugar) in People Without Diabetes
Hypoglycemic Unawareness: Taking Steps to Stay Safe
Hypokalemia
Hyponatremia
Hypopharyngeal Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Hypopharyngeal Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
Hypospadias
Hypothermia and Cold Temperature Exposure
Hypothyroidism
Hysterectomy
Hysterectomy: Before Your Surgery
Hysterectomy for Abnormal Uterine Bleeding: How Others Decided
Hysterectomy: Returning Home
Hysterectomy: Should I Also Have My Ovaries Removed?
Hysterosalpingogram (HSG)
Hysteroscopy
