Health and Disease A to Z
Wellness, Prevention & General Health
Asthma & Allergies
Child & Adolescent Health
Digestive Disorders / GERD
Medication Assistance Center
Health and Disease A to Z
Medical Tests A to Z
Rare Diseases A to Z
Support Organizations A to Z
Health Tools & Calculators
Tools / Calculators
BROWSE health TOPICS
Swallowing Toiletries, Makeup Sends Thousands of Kids to ER Each Year
A Healthy Baby Starts With a Healthy Mom
'Daddy-Do-Overs': Men Increasingly Getting Plastic Surgery
Bones Help Black People Keep Facial Aging at Bay
AHA News: How to Have a Heart-Healthy Pregnancy Before You Even Conceive
Blood From Previously Pregnant Women Is Safe for Donation: Study
Few Days of Formula Feeding After Delivery Won't Harm Breastfed Babies
Bedroom Light at Night Might Boost Women's Weight
'Focused' Radiation Could Lighten Treatment Burden for Early Breast Cancer
Is MRI Screening Worth It for Breast Cancer Survivors?
Sleep-Deprived Teens More Prone to Unsafe Sex: Study
Obamacare May Have Boosted Fight Against Ovarian Cancer
IBD (Inflammatory Bowel Disease), Proctocoletomy and Ileostomy for
IBS (Irritable Bowel Syndrome)
IBS (Irritable Bowel Syndrome), Deciding About Tests
IBS (Irritable Bowel Syndrome), Medical History and Physical Examination for
IBS (Irritable Bowel Syndrome), Physical Examination and Medical History for
Ibuprofen Use in Young Children
ICD: Living Well With It
Ice and Cold Packs
Ice for Heel Pain
Ideas to Help You Cut Back On or Stop Using Alcohol
IDET (Intradiscal Electrothermic Therapy) for Low Back Pain
Ileoanal Anastomosis for Ulcerative Colitis
Iliotibial Band Syndrome
Illness Patterns in Schizophrenia
Imaging Tests for Epilepsy
Immunizations and Pregnancy
Immunizations for Premature Infants
Immunizations: Questions Parents Ask
Immunotherapy (Allergy Shots) for Allergic Rhinitis
Immunotherapy (Allergy Shots) for Asthma
Immunotherapy for Allergic Rhinitis and Allergic Asthma, Deciding About
Immunotherapy for Allergies to Insect Stings
Impaired Glucose Tolerance
Implantable Cardioverter-Defibrillator (ICD)
Implantable Cardioverter-Defibrillator (ICD) for heart failure, Deciding about
Implantable Cardioverter-Defibrillator (ICD), Living With a
Importance of Immunizations
Importance of Personal Relationships for Lowering Stress
Impotence (Erection Problems)
Improving Sleep When You Have Chronic Pain
Improving Your Balance: Quick Tips
In Vitro Fertilization for Infertility
In Vitro Fertilization for Tubal Infertility, Deciding About
Incision Care After Surgery
Incision of External Hemorrhoids
Incontinence, Urinary in Men
Incontinence, Urinary in Women
Independent Living for People With Disabilities
Indirect Coombs Test
Indoor Air Pollution
Indoor Allergens, Avoiding
Indoor Tanning: Is It Safe?
Infant and Toddler Health
Infantile Spasms (West Syndrome)
Infected Prostate Stones
Infectious Mononucleosis, Liver Tests for
Infertility Testing, Deciding About
Infertility Treatment for Women With PCOS
Infertility, Artificial Insemination for
Infertility, Fallopian Tube Surgery for
Infertility, Gamate Intrafallopian Transfer (GIFT) for
Infertility, In Vitro Fertilization for
Infertility, Intracytoplasmic Sperm Injection for
Infertility, Male or Female
Infertility, Varicocele Repair for
Infertility, Zygote Intrafallopian Transfer (ZIFT) for
Infertility: Aging Egg Supply
Infertility: Emotional and Social Concerns
Infertility: Ethical and Legal Concerns
Infertility: Factors That Affect Treatment Success
Infertility: Problems With Fallopian Tubes
Infertility: Problems With Ovulation
Infertility: Problems With the Man's Reproductive System
Infertility: Problems With the Uterus and Cervix
Infertility: Questions to Ask About Assisted Reproductive Technology
Infertility: Questions to Ask About Medicine or Hormone Treatment
Infertility: Questions to Ask About Surgery
Infertility: Setting Limits on Testing
Infertility: Setting Limits on Treatment
Infertility: Should I Have Treatment?
Infertility: Thinking About Adoption
Inflammatory Bowel Disease (Crohn's Disease)
Inflammatory Bowel Disease (IBD), Proctocoletomy and Ileostomy for
Inflammatory Bowel Disease (Ulcerative Colitis)
Inflammatory Bowel Disease and Cancer Risk
Inflammatory Bowel Disease During Pregnancy
Inflammatory bowel disease: Changing your diet
Inflammatory Bowel Disease: Enteral or Total Parenteral Nutrition
Inflammatory Bowel Disease: Rare Complications
Inflammatory Breast Cancer
Influenza (Flu) Vaccine (Inactivated or Recombinant): What You Need to Know
Influenza (Seasonal Flu)
Infrared Photocoagulation for Hemorrhoids
Inguinal Hernia, Laparoscopic Repair of
Inguinal Hernia, Open Repair of
Inguinal Hernia: Should I Have Surgery Now, or Should I Wait?
Inguinal Hernia: Surgery in Adults
Inguinal Hernia: Surgery in Children
Inhaled corticosteroids for asthma
Inhaled Corticosteroids for Long-Term Control of Asthma
Inhaled quick-relief medicines for asthma
Inhaler (Metered-Dose) for Breathing Problems
Injury to the Tailbone (Coccyx)
Inpatient and Outpatient Treatment for Substance Use Problems
Insect Bites and Stings and Spider Bites
Insect Sting Allergies
Insect Sting Allergies, Allergy Shots for
Insect Sting Allergies, Deciding about Allergy Shots
Insect Sting Allergies, Immunotherapy (Allergy Shots) for
Insect Sting Allergies: Who Is Affected
Insect Sting Care
Insect Stings: How to Remove the Stinger
Insects That Commonly Sting
Insemination for Infertility
Insemination Procedures for Infertility
Insomnia (Sleep Problems), Age 12 and Older
Insomnia: Improving Your Sleep
Insomnia: Should I Take Sleeping Pills?
Insulin for Type 1 and Type 2 Diabetes
Insulin Pump, Deciding About
Insulin Pump, Living with
Insulin shots for children with diabetes
Insulin shots for gestational diabetes
Insulin shots, Giving yourself
Insulin: Reusing Syringes and Lancets Safely
Insulin-Dependent Diabetes Mellitus
Intentional Head Injury (Shaken Baby Syndrome)
Interactive Tool: Are You Depressed?
Interactive Tool: Are You Ready to Quit Smoking?
Interactive Tool: Do You Have a Drinking Problem?
Interactive Tool: Do Your BMI and Waist Size Increase Your Health Risks?
Interactive Tool: From Embryo to Baby in 9 Months
Interactive Tool: How Bad Are Your Urinary Symptoms From Benign Prostatic Hyperplasia (BPH)?
Interactive Tool: How Does Smoking Affect Your Lifespan?
Interactive Tool: How Does Smoking Increase Your Risk of Heart Attack?
Interactive Tool: How Many Calories Did You Burn?
Interactive Tool: How Much Is Smoking Costing You?
Interactive Tool: How Well Do You Bounce Back?
Interactive Tool: Should I Consider Surgery for My Low Back Problem?
Interactive Tool: What Is Your Child's BMI?
Interactive Tool: What Is Your Due Date?
Interactive Tool: What Is Your Stress Level?
Interactive Tool: What Is Your Target Heart Rate?
Interactive Tool: When Are You Most Fertile?
Interactive Tool: Which Health Screenings Do You Need?
Intermittent Catheterization for Men
Intermittent Catheterization for Women
Intestinal (Large) Problems
Intestinal Transplant for Crohn's Disease
Intra-Aortic Balloon Pump
Intracytoplasmic Sperm Injection for Infertility
Intradiscal Electrothermal Therapy (IDET) for Low Back Pain
Intraocular (Uveal) Melanoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Intraocular (Uveal) Melanoma Treatment (PDQ®): Treatment - Patient Information [NCI]
Intraocular Lens (IOL) Implants
Intrauterine Device (IUD) for Birth Control
Intrauterine Fetal Blood Transfusion for Rh Disease
Intrinsic Acute Kidney Injury
Introducing Foods to Your Baby
Iron Deficiency Anemia
Irregular Menstrual Periods
Irregular or Missed Periods
Irritable Bowel Syndrome (IBS)
Irritable Bowel Syndrome, History and Physical Examination for
Irritable Bowel Syndrome, Medical History and Physical Examination for
Irritable Bowel Syndrome, Physical Examination and Medical History for
Irritable Bowel Syndrome: Bile Acid Binding Medicines
Irritable Bowel Syndrome: Controlling Symptoms With Diet
Irritable Bowel Syndrome: Criteria for Diagnosis
Irritable Bowel Syndrome: Should I Have Tests for IBS Symptoms?
Isolated Systolic High Blood Pressure
Isotretinoin for Severe Acne, Deciding About Taking
Itching and Dry Skin
IV Fluid Hydration at End of Life, Deciding About
Ivermectin for Head Lice
Izzy's Story: Living With the DASH Diet