- Blood DisordersBone, Joint, and Muscle DisordersBrain, Spinal Cord, and Nerve DisordersCancerChildren's Health IssuesDigestive DisordersDisorders of NutritionDrugsEar, Nose, and Throat DisordersEye DisordersFundamentalsHeart and Blood Vessel DisordersHormonal and Metabolic DisordersImmune DisordersInfectionsInjuries and PoisoningKidney and Urinary Tract DisordersLiver and Gallbladder DisordersLung and Airway DisordersMen's Health IssuesMental Health DisordersMouth and Dental DisordersOlder People’s Health IssuesSkin DisordersSpecial SubjectsWomen's Health Issues
- Causes of an Enlarged Spleen
- Causes of Thrombocytopenia
- Common Causes of Anemia
- Complete Blood Count (CBC)
- How Blood Is Obtained
- Major Myeloproliferative Neoplasms
- More About Some Causes of Anemia
- Some Causes of Excessive Bleeding
- Some Conditions That Disqualify People From Donating Blood
- Stages of Hodgkin Lymphoma
- Stages of Non-Hodgkin Lymphoma
- Symptoms of Hodgkin Lymphoma
- Symptoms of Non-Hodgkin Lymphoma
- What Is Cryoglobulinemia?
- Amount of Calcium in Some Foods
- Corticosteroids: Uses and Side Effects
- Drugs Used to Treat Gout
- How Imaging Tests Help in Diagnosing Nervous System Disorders
- Medications Used to Treat Rheumatoid Arthritis
- Risk Factors for Primary Osteoporosis
- Risk Factors for the Development of Gout
- Some Causes and Features of Low Back Pain
- Some Causes and Features of Neck Pain
- Some Causes and Features of Pain in a Single Joint
- Some Causes and Features of Pain in More Than One Joint
- Some Common Foot and Ankle Disorders by Location
- Some Disorders in Which Vasculitis Can Occur
- Some Risk Factors for Osteonecrosis
- Spotlight on Aging: Giant Cell Arteritis and Polymyalgia Rheumatica
- Spotlight on Aging: Osteoarthritis
- Caring for Caregivers
- Causes of Coordination Disorders
- Causes of Seizures
- Changes in Behavior to Improve Sleep
- Common Symptoms of Multiple Sclerosis
- Comparing Delirium and Dementia
- Conditions That Cause or Contribute to Muscle Cramps
- Creating a Beneficial Environment for People With Dementia
- Delirium or Psychosis?
- Divisions of the Autonomic Nervous System
- Genetic Testing for Huntington Disease
- How Imaging Tests Help in Diagnosing Nervous System Disorders
- How Imaging Tests Help in Diagnosing Nervous System Disorders
- How Nonsteroidal Anti-Inflammatory Drugs Work
- Medications Used to Treat Parkinson Disease
- Medications Used to Treat Seizures
- Mental Status Testing
- Nonsteroidal Anti-Inflammatory Drugs
- Preventing and Treating Problems After a Stroke
- Primary Tumors That Originate in or Near the Spinal Cord*
- Prion Diseases in Animals
- Some Causes and Features of Headaches
- Some Causes and Features of Memory Loss
- Some Causes and Features of Muscle Weakness
- Some Causes and Features of Numbness
- Some Causes and Features of Tremor
- Some Causes of Dystonia
- Some Causes of Noninfectious Meningitis
- Some Causes of Peripheral Nerve and Related Disorders
- Some Causes of Stupor and Coma
- Some Drugs That Interfere With Sleep
- Some Medications Used to Treat Migraines
- Some Medications Used to Treat Symptoms of Autonomic Disorders
- Some Tumors That Originate in or Near the Brain*
- Spotlight on Aging: Delirium
- Spotlight on Aging: Pain
- Spotlight on Aging: Strokes
- Testing a Person With Aphasia
- Testing Cranial Nerves
- Thanks for the Memories
- What Is a Neurologic Symptom?
- What Is Confusion?
- When the Foot Is Asleep
- Who Should Receive the Rabies Vaccine?
- ADHD: Epidemic or Over-Diagnosis?
- Apgar Score
- Bacterial Infections Preventable With Immunization*
- Common Asthma Triggers
- Developmental Milestones From Ages 18 Months to 6 Years*
- Developmental Milestones From Birth to Age 12 Months*
- Drugs for Hypertensive Emergencies in Children
- Drugs for Hypertensive Urgencies in Children
- Gastroenteritis as a Side Effect of Medications
- How Do Doctors Diagnose Kawasaki Disease?
- How Do Doctors Diagnose Rheumatic Fever?
- How to Take a Child’s Temperature
- Identifying Children and Adolescents at Risk of Suicide
- Levels of Intellectual Disability
- Physical Features of a Preterm Newborn
- Risk Factors for Hearing Impairment in Children
- Safe to Sleep: Reducing the Risk of Sudden Infant Death Syndrome
- Signs of ADHD
- Signs of Autism Spectrum Disorder
- Some Antihypertensive Drugs* for High Blood Pressure in Children
- Some Causes and Features of Cough in Children
- Some Causes and Features of Daytime Incontinence in Children
- Some Causes and Features of Diarrhea in Children
- Some Causes and Features of Nighttime Incontinence in Children
- Some Causes and Features of Vomiting in Infants, Children, and Adolescents
- Some Causes of Seizures in Newborns, Infants, and Children
- Some Common Causes and Features of Fever in Children
- Some Complications of Down Syndrome
- Some Examples of Birth Defects
- Some Medical Disorders That Cause Excessive Crying in Infants and Young Children
- Some Physical Causes and Features of Constipation in Infants and Children
- Some Types of Glycogen Storage Diseases
- Some Viral Infections in Children That Cause a Rash
- Symptoms of Depression in Children
- Three Common Reflexes of Newborns
- Tooth Eruption Times
- Tooth Eruption Times for Baby Teeth
- Types of Mucopolysaccharidoses
- Using Medications to Treat Seizures in Children
- Agents Used to Prevent or Treat Constipation
- Causes and Features of Anal Itching
- Foods and Beverages That May Cause Diarrhea
- Foods That Often Affect Gastrointestinal Function
- History in People With Acute Abdominal Pain
- Medications That Reduce Bowel Inflammation Caused by Crohn Disease
- Medications That Reduce Bowel Inflammation Caused by Ulcerative Colitis
- Medications Used to Treat Stomach Acid
- Microorganisms That Cause Gastroenteritis
- Physical Causes and Features of Chronic Abdominal Pain
- Some Causes and Features of Constipation
- Some Causes and Features of Diarrhea
- Some Causes and Features of Gas-Related Symptoms
- Some Causes and Features of Gastrointestinal Bleeding
- Some Causes and Features of Indigestion
- Some Causes and Features of Nausea and Vomiting
- Some Causes and Features of Persistent Hiccups
- Some Causes and Features of Swallowing Difficulty
- Some Causes of Abdominal Pain in Newborns, Infants, and Young Children
- Some Causes of Acute Pancreatitis
- Some Causes of Perforation
- Spotlight on Aging: Problems with Swallowing
- Symptoms of Nutrient Deficiencies
- Body Mass Index (BMI)
- Causes of Undernutrition
- Comparing Soluble and Insoluble Fiber
- Estimated Number of Calories Needed Based on Age*, Sex, and Activity Level†
- Glycemic Index of Some Foods
- How Are Calories in Foods Measured?
- How Starvation Affects the Body
- Minerals
- Possible Problems With Tube Feeding
- Some Drugs and Medications That Cause Vitamin Deficiency
- Spotlight on Aging: Nutrition
- Spotlight on Aging: Undernutrition
- Vitamins
- What Can Cause Zinc Deficiency?
- Where’s the Fat?
- Chronic Disorders and Over-the-Counter Medications
- How to Reduce the Risk of Drug-Drug Interactions
- Over-the-Counter Cough and Cold Treatments for Children
- Reading a Medication Label
- Reasons for Not Adhering to Treatment with Medication
- Recognizing Sedating Antihistamines
- Some Medication-Food Interactions
- Targets in The Body: Cell Receptors
- What’s In a Name?
- When Generic Substitution May Not Be Appropriate
- Measurement of Loudness
- Some Causes and Features of Anosmia
- Some Causes and Features of Dizziness
- Some Causes and Features of Ear Discharge
- Some Causes and Features of Earache
- Some Causes and Features of Hearing Loss
- Some Causes and Features of Nasal Congestion and Discharge
- Some Causes and Features of Nosebleeds
- Some Causes and Features of Sudden Hearing Loss
- Some Causes and Features of Tinnitus
- Some Infectious Causes and Features of Sore Throat
- Speech Without Vocal Cords
- Spotlight on Aging
- Spotlight on Aging: Dry Mouth
- How and Why Blindness Develops
- Medications Used to Treat Glaucoma
- Some Causes and Features of Blurred Vision
- Some Causes and Features of Bulging Eyes
- Some Causes and Features of Eye Flashes and Floaters
- Some Causes and Features of Eye Pain
- Some Causes and Features of Eye Redness
- Some Causes and Features of Eyelid Swelling
- Some Causes and Features of Sudden Loss of Vision
- Some Causes and Features of Unequal Pupils
- Some Causes and Features of Watery Eyes
- Some Causes of Double Vision When Both Eyes Are Open
- Spotlight on Aging: Vision Loss in Older Adults
- What Are Low-Vision Aids?
- What Is Pink Eye?
- Calories Expended During Exercise*
- Devices That Help People Function
- Differences Between Advance Directives and POLST
- Estimating Target Heart Rate
- Examples of Genetic Disorders
- Examples of Risk Factors for Health Problems
- How to Get a Second Opinion
- Is This Doctor the Right One?
- Major Organ Systems
- Medical Terms Related to Life-Sustaining Treatment
- Motivation for Starting an Exercise Program
- Safety 101
- Services to Know About
- Some Legal Terms Related to Health Care
- Some Reasons to Call a Doctor*
- Some Recommended Screening Tests*, †
- Some Strategies for Preventing Major Health Problems*
- Some Uses for Massage
- Spotlight On Aging: Rehabilitation
- Three Levels of Prevention
- Types of Heat Therapy
- Usual Maximum and Target Heart Rates
- What Can Interfere With Doing a Simple Activity?
- What Should Be in a Personal Medical Record?
- Antihypertensive Medications
- Causes of Myocarditis
- Classification of Blood Pressure in Adults*
- Classification of Heart Failure*
- CPR: How Effective Is It Really?
- Examples of Procedures That Require Preventive Antibiotics in the United States*
- Medications Used to Treat Coronary Artery Disease*
- Primary Lymphedemas
- Some Causes and Features of Chest Pain
- Some Causes and Features of Dizziness or Light-Headedness When Standing Up
- Some Causes and Features of Fainting
- Some Causes and Features of Limb Pain
- Some Causes and Features of Palpitations
- Some Causes and Features of Swelling
- Some Causes and Features of Swollen Lymph Nodes
- Some Causes of Low Blood Pressure
- Some Drugs Used to Treat Heart Failure
- Some Medications Used to Treat Arrhythmias
- Spotlight on Aging: Aortic Sclerosis
- Spotlight on Aging: Causes of Heart Failure in Older People
- Spotlight on Aging: High Blood Pressure
- Treatment for High Blood Pressure
- Types of Fat
- Types of Noncancerous Heart Tumors
- Acid-Base Disturbances and the Body's Response
- Common Side Effects of Injectable Antihyperglycemic Medications*
- Common Side Effects of Some Oral Antihyperglycemic Medications
- Complications of Diabetes
- Conditions That Occur With Certain Multiple Endocrine Neoplasia Syndromes
- Desirable Lipid Levels in Adults*
- Effects of Amyloid Buildup
- Hyperthyroidism Treatments
- Limiting Fat and Cholesterol in the Diet
- Lipid-Lowering Drugs
- Lipoproteins: Lipid Carriers
- Major Hormones
- Spotlight on Aging: Hyperthyroidism in Older Adults
- Spotlight on Aging: Hypothyroidism in Older Adults
- Spotlight on Aging: Thyroid Gland Changes in Older Adults
- Spotlight on Aging: Water Balance
- Suppression of Adrenal Function by Corticosteroids
- What Causes SIADH?
- What Is Nelson Syndrome?
- What Makes the Potassium Level Decrease?
- What Makes the Potassium Level Increase?
- Aminoglycosides
- Aztreonam
- Bacteria in the Body
- Carbapenems
- Cephalosporins
- Clindamycin
- Common Opportunistic Infections Associated With AIDS
- Dalfopristin/Quinupristin
- Daptomycin
- Fluoroquinolones
- Fosfomycin
- Glycopeptides and Lipoglycopeptides
- Macrolides
- Medications for Serious Fungal Infections
- Metronidazole and Tinidazole
- Nitrofurantoin
- Nonprescription Remedies for Common Cold Symptoms
- Oxazolidinones
- Penicillins
- Polypeptides
- Protecting Adults Through Vaccines
- Rifamycins
- Risk Factors for Developing Opportunistic Fungal Infections
- Some Antiviral Medications for Herpesvirus Infections
- Some Causes of Fever Based on Risk Factors
- Some Drugs Used to Treat Tuberculosis
- Some Rickettsial and Related Infections
- Spotlight on Aging: Antibiotics
- Spotlight on Aging: Infections
- Spotlight On Aging: Tuberculosis
- Strategies for Preventing the Transmission of HIV
- Streptococci and Some Disorders They Cause
- Sulfonamides
- Tetracyclines
- Tigecycline
- Trimethoprim and Sulfamethoxazole
- Tuberculosis: A Disease of Many Organs
- Types of Infectious Organisms
- Types of Sexually Transmitted Infections
- Viruses and Cancer: A Link
- What Is a Retrovirus?
- What Is the Risk of HIV Transmission During Sexual Activities?
- Annual Radiation Exposure in the United States
- CDC High-Priority Biological Agents and Toxins*
- Deciphering Medical Terms for Fractures
- Disorders Treated With Hyperbaric Oxygen Therapy
- Drugs That Can Cause Neuroleptic Malignant Syndrome
- Medical Conditions That May Preclude Diving
- Preventing Dog Bites
- Recognizing a Serious Head Injury
- Small, Shallow Burns
- Some Drugs That Can Cause Serotonin Syndrome
- Some Moderately Poisonous Plants
- Spotlight on Aging: Dislocations
- Spotlight on Aging: Exercising Safely
- Spotlight on Aging: Heat-Related Concerns
- Spotlight on Aging: Injuries to Muscles, Bones, and Other Tissues
- Spotlight on Aging: Soft-Tissue Injuries
- Taking Care of a Cast
- Taking Care of a Cast
- Taking Care of a Cast
- Ways to Help Prevent Heat Disorders
- What Is Chronic Mountain Sickness?
- Common Methods and Strategies for Treating Prostate Cancer
- Factors Contributing to Bacterial Urinary Tract Infections
- Hemofiltration and Hemoperfusion: Other Ways of Filtering the Blood
- Major Causes of Acute Kidney Injury
- Obtaining a Clean-Catch Urine Sample
- Preventing Bladder Infections in Women
- Primary Glomerular Disorders That Can Cause Glomerulonephritis
- Primary Glomerular Disorders That Can Cause Nephrotic Syndrome
- Reasons for Dialysis in Kidney Failure
- Secondary Causes of Nephrotic Syndrome
- Secondary Causes of Tubulointerstitial Nephritis
- Some Causes and Features of Blood in the Urine
- Some Causes and Features of Excessive Urination
- Some Causes and Features of Painful Urination
- Some Causes and Features of Priapism
- Some Causes and Features of Scrotal Pain
- Some Causes and Features of Scrotal Swelling
- Some Causes of Glomerulonephritis
- Some Common Complications of Hemodialysis
- Some Common Complications of Peritoneal Dialysis
- Some Mechanisms of Incontinence
- Some Medications That Can Cause Incontinence
- Some Medications Used to Treat Urinary Incontinence
- Some Types of Renal Tubular Acidosis
- Air Quality Index*
- Causes of Interstitial Lung Diseases
- Comparing Types of Idiopathic Interstitial Pneumonias*
- Disorders Similar to Work-Related Asthma
- Drugs Commonly Used to Treat Asthma
- How Is Community-Acquired Pneumonia Treated?
- Major Causes of Pleuritic Chest Pain
- Psittacosis: An Unusual Type of Pneumonia
- Some Causes and Features of Cough in Adults
- Some Causes and Features of Hemoptysis
- Some Causes and Features of Shortness of Breath
- Some Causes and Features of Wheezing
- Some Causes of Bronchiectasis
- Spotlight on Aging: Pneumonia
- Unusual Interstitial Lung Diseases
- What Causes Hypersensitivity Pneumonitis?
- What Causes Respiratory Failure?
- Workers at Risk of Environmental or Occupational Lung Disease
- Antipsychotic Drugs
- Definitions of Terminology Regarding Sex and Gender
- Drugs With Both Medical and Illicit Uses
- Medications Used to Treat Anxiety Disorders
- Medications Used to Treat Depression
- Mind and Body
- Recognizing Anorexia Nervosa
- Risk Factors for Suicidal Behavior
- Some Causes and Features of Personality and Behavior Changes
- Some Causes of Depression
- Some Causes of Mania
- Some Common Phobias*
- Some Examples of Controlled Substances
- Spotlight on Aging: Depression
- Suicide Intervention: National Suicide Prevention Lifeline
- Suicide Intervention: National Suicide Prevention Lifeline
- Types of Mental Health Care Professionals
- Anticholinergic: What Does It Mean?
- Avoiding Caregiver Burnout
- Checklist for Preventing Falls in the Home
- Choosing a Nursing Home
- Delaying the Need for a Long-Term Care Facility
- How the Body Ages: Some Normal Changes
- Looking for the Fountain of Youth
- Some Disorders That Affect Mainly Older Adults
- Studying Aging
- Types of Long-Term Care
- Warning Signs of Unsafe Driving
- What Services Can Be Provided in the Home?
- Are Tans Healthy?
- Common Causes of Allergic Contact Dermatitis
- Fitzpatrick Skin Type Classification
- Medications Used to Treat Acne
- Mohs Microscopically Controlled Surgery
- Phototherapy: Using Ultraviolet Light to Treat Skin Disorders
- Some Antifungal Medications Applied to the Skin (Topical Medications)
- Some Causes and Features of Hair Loss
- Some Causes and Features of Hirsutism
- Some Causes and Features of Hives
- Some Causes and Features of Itching
- Some Causes of Excessive Sweating
- Some Medications and Substances That Sensitize the Skin to Sunlight
- Spotlight on Aging: Nail Disorders
- Spotlight on Aging: Pressure Sores
- The ABCDEs of Melanoma
- Using Lasers to Treat Skin Problems
- Alcoholics Anonymous: A Path to Recovery
- Classifying Alcohol-Related Disorders
- Common Products That Contain Volatile Solvents
- Common Types of Angiography
- Comparing Radiation Doses For Different Tests*
- Differences Between Conventional and Integrative Medicine
- Does Everyone Need a Test?
- Effects of Prolonged Alcohol Use
- Minimally Invasive Surgery
- Some Common Causes and Features of Involuntary Weight Loss
- Some Common Causes and Features of Prolonged or Chronic Fatigue
- Some Disorders Detected by Computed Tomography
- Some Drug Interactions With St. John's Wort
- Spotlight on Aging: Surgical Risk and Age
- Symptoms of Nicotine Withdrawal*
- The Costs of Smoking
- Types of Complementary and Alternative Medicine
- Useful Contacts for People Traveling Abroad
- Vaccines for International Travel*,†
- After Pregnancy and Childbirth (Postpartum): The Body’s Return to Normal
- After Pregnancy and Childbirth (Postpartum): When to Call the Doctor
- Breast Cancer: When to Start Screening Mammography?
- Children Who Witness Domestic Violence
- Common Breast Symptoms
- Comparing Contraceptive Methods
- Comparison of Fertility Awareness‒Based Methods of Contraception
- How Effective Is Contraception?
- How Effective Is Emergency Contraception?
- How Many Eggs?
- Maternal Age and Risk of Having a Baby With a Chromosomal Abnormality*
- Maternal Mortality Ratios in Selected Countries, 2020
- Medications That Can Cause Menstrual Periods to Stop
- Pregnancy: Week by Week
- Preventing or Managing Postpartum Blues
- Some Causes and Features of Amenorrhea
- Some Causes and Features of Menstrual Cramps
- Some Causes and Features of Nausea and Vomiting During Early Pregnancy
- Some Causes and Features of Nipple Discharge
- Some Causes and Features of Pelvic Pain During Early Pregnancy
- Some Causes and Features of Swelling During Late Pregnancy
- Some Causes and Features of Vaginal Bleeding During Early Pregnancy
- Some Causes and Features of Vaginal Bleeding During Late Pregnancy
- Some Causes of Pelvic Pain in Women
- Some Causes of Vaginal Bleeding in Infants and Children
- Some Causes of Vaginal Bleeding in Nonpregnant Women
- Some Causes of Vaginal Itching and Discharge in Children
- Some Causes of Vaginal Itching or Discharge
- Some Genetic Disorders That Can Be Detected Before Birth
- Some Medications and Risk of Problems During Pregnancy*
- Some Medications Used to Treat Symptoms and Effects of Menopause
- Some Medications Used to Treat Vaginal Yeast Infections
- Some Types of Vaginitis
- Spotlight on Aging: Sexual Dysfunction in Older Women
- Staging Cancers of the Female Reproductive System*
- Symptoms That Can Occur in Premenstrual Syndrome (PMS)
- Timing and the Effects of Medications During Pregnancy
- Treating Breast Cancer Based on Type and Stage
- Understanding Medical Terms for Menstrual Cycle Problems*
- Understanding the Language of Pregnancy Loss
- Weight Gain During Pregnancy
- What Affects Sexual Function in Women?
- What Are the Risks of Developing Breast Cancer?
- What Causes Infertility in Men?
- When a Parent Has an Abnormal Gene
- Who Should Consider Genetic Screening?