Condition Library
Health conditions A–Z
Every health topic we cover, in one alphabetical index — 1,017 subjects spanning conditions, symptoms, tests, body systems and everyday wellness.
Important: This page is general information, not medical advice. It does not recommend or prescribe any treatment. Always consult your doctor or pharmacist before starting, stopping or changing any medicine.
All topics
- A1CGlycohemoglobin, HbA1C
- Abdominal PainBellyache
- AbortionInduced Abortion
- Abscess
- AcnePimples, Zits
- Acoustic NeuromaAcoustic neurilemmoma, Acoustic neurinoma
- Acupuncture
- Acute Bronchitis
- Acute Flaccid MyelitisAFM
- Acute Lymphocytic LeukemiaALL, Acute lymphoblastic leukemia
- Acute Myeloid LeukemiaAML, ANLL
- Addison DiseaseAdrenocortical hypofunction, Hypocortisolism
- Adenoids
- AdhesionsAbdominal adhesions
- Adrenal Gland Cancer
- Adrenal Gland Disorders
- Advance Directives
- After SurgeryPostoperative care, Recovery from surgery
- Air Pollution
- AlcoholDrinking
- Alcohol Use Disorder (AUD)Alcohol abuse, Alcohol dependence
- Alcohol Use Disorder (AUD) TreatmentAlcohol Abuse Treatment, Alcoholism Treatment
- AllergyHypersensitivity
- Alpha-1 Antitrypsin DeficiencyAATD, Alpha-1
- Alzheimer's Caregivers
- Alzheimer's DiseaseAD
- AmblyopiaLazy eye
- Amino Acid Metabolism Disorders
- Amyloidosis
- Amyotrophic Lateral SclerosisALS, Lou Gehrig's disease
- Anabolic SteroidsAnabolic-androgenic steroids
- Anal Cancer
- Anal DisordersAnorectal diseases
- AnaphylaxisAnaphylactic shock
- Anatomy
- AnemiaIron poor blood
- Anesthesia
- Aneurysms
- Angina
- AngioplastyBalloon angioplasty, Coronary angioplasty
- Animal BitesCat bites, Dog bites
- Animal Diseases and Your HealthZoonoses
- Ankle Injuries and Disorders
- Ankylosing SpondylitisRheumatoid spondylitis
- Anthrax
- Antibiotic Resistance
- Antibiotics
- AntidepressantsSSRIs, Selective serotonin reuptake inhibitors
- Antioxidants
- Anxiety
- Aortic Aneurysm
- Aphasia
- Aplastic Anemia
- Appendicitis
- Arm Injuries and Disorders
- ArrhythmiaIrregular heartbeat
- Arsenic
- Arteriovenous MalformationsAVM
- Arthritis
- Artificial Limbs
- Asbestos
- Aspergillosis
- Assisted LivingResidential care
- Assisted Reproductive TechnologyART, IVF
- Assistive DevicesAssistive technology
- Asthma
- Asthma in ChildrenChildhood asthma, Pediatric asthma
- Ataxia Telangiectasia
- AtherosclerosisArteriosclerosis
- Athlete's FootTinea pedis
- Atrial FibrillationAF, AFib
- Attention Deficit Hyperactivity DisorderADHD
- Autism Spectrum DisorderASD, Pervasive developmental disorder (PDD)
- Autoimmune Diseases
- Autonomic Nervous System DisordersDysautonomia
- B Vitamins
- Baby Health Checkup
- Back Injuries
- Back PainBackache, Lumbago
- Bacterial Infections
- Bad BreathHalitosis
- Balance Problems
- Barotrauma
- Bed Bugs
- Behcet's SyndromeBehcet's disease
- Bell's Palsy
- Benefits of Exercise
- Benign TumorsBenign neoplasms, Noncancerous tumors
- BereavementGrief
- Bile Duct CancerCholangiocarcinoma
- Bile Duct Diseases
- Biodefense and Bioterrorism
- Biopsy
- Bipolar DisorderManic depression, Manic-depressive illness
- Bird FluAvian flu, Avian influenza
- Birth ControlContraception
- Birth Defects
- Birth Weight
- BirthmarksCafe au lait spot, Hemangioma
- Bladder Cancer
- Bladder Diseases
- BleedingHematoma, Hemorrhage
- Bleeding DisordersClotting disorders
- BlistersBulla, Vesicle
- Blood
- Blood ClotsHypercoagulability
- Blood Count TestsCBC, Complete Blood Count
- Blood DisordersHematologic diseases
- Blood GlucoseBlood sugar
- Blood Pressure MedicinesAntihypertensive medicines, High blood pressure medicines
- Blood ThinnersAnti-platelet drugs, Anticoagulants
- Blood Transfusion and Donation
- Body Lice
- Body Weight
- Bone Cancer
- Bone DensityBone mass
- Bone Diseases
- Bone Grafts
- Bone Infections
- Bone Marrow Diseases
- Bone Marrow Transplantation
- BotoxBotulinum toxin type A
- Botulism
- Bowel IncontinenceEncopresis, Fecal incontinence
- Bowel MovementBM, Feces
- Brachial Plexus Injuries
- Brain AneurysmBerry aneurysm, Cerebral aneurysm
- Brain Diseases
- Brain MalformationsCephalic disorders
- Brain Tumors
- Breast Cancer
- Breast Diseases
- Breast Reconstruction
- BreastfeedingLactation, Nursing
- Breathing Problems
- Bronchial Disorders
- BruisesContusion, Ecchymoses
- Bullying and Cyberbullying
- Burns
- Bursitis
- C. diff InfectionsClostridioides difficile infections, Clostridium difficile Infections
- Caffeine
- Calcium
- Campylobacter Infections
- CancerCarcinoma, Malignancy
- Cancer Alternative Therapies
- Cancer Chemotherapy
- Cancer Immunotherapy
- Cancer in Children
- Cancer--Living with Cancer
- Canker SoresAphthous ulcers
- Carbohydrate Metabolism Disorders
- CarbohydratesCarbs
- Carbon Monoxide PoisoningCO poisoning
- Carcinoid Tumors
- Cardiac Rehabilitation
- CardiomyopathyArrhythmogenic right ventricular cardiomyopathy, Dilated cardiomyopathy
- Caregiver HealthCaring for the caregiver
- Caregivers
- Carotid Artery Disease
- Carpal Tunnel SyndromeMedian nerve entrapment
- Cartilage Disorders
- Cat Scratch DiseaseCSD, Cat scratch fever
- Cataract
- Celiac DiseaseCeliac sprue, Gluten-sensitive enteropathy
- Cellulitis
- Cerebellar Disorders
- Cerebral PalsyCP
- Cervical Cancer
- Cervical Cancer Screening
- Cervix Disorders
- Cesarean DeliveryC-section, Cesarean section
- Chagas DiseaseAmerican trypanosomiasis, South American trypanosomiasis
- Charcot-Marie-Tooth DiseaseHereditary motor and sensory neuropathy, Peroneal muscular atrophy
- Chemical Emergencies
- Chest Injuries and Disorders
- Chest Pain
- Chiari MalformationArnold-Chiari Malformation
- ChickenpoxVaricella
- Chikungunya
- Child Abuse
- Child Behavior DisordersConduct disorders
- Child Dental Health
- Child Development
- Child Mental Health
- Child Nutrition
- Child Safety
- Child Sexual Abuse
- Childbirth
- Childbirth Problems
- Childhood Brain Tumors
- Childhood Leukemia
- Childhood VaccinesShots
- Children's Health
- Chiropractic
- Chlamydia Infections
- Choking
- Cholera
- CholesterolHypercholesterolemia, Hyperlipidemia
- Cholesterol Levels: What You Need to Know
- Cholesterol Medicines
- Choosing a Doctor or Health Care Service
- Chronic Bronchitis
- Chronic Kidney DiseaseCKD
- Chronic Lymphocytic LeukemiaCLL
- Chronic Myeloid LeukemiaCML, Chronic granulocytic leukemia
- Chronic Pain
- Circumcision
- CirrhosisHepatic fibrosis
- Cleaning, Disinfecting, and Sanitizing
- Cleft Lip and Palate
- Climate Change
- Clinical Trials
- Cloning
- Club DrugsParty drugs
- CocaineBlow, Coca
- Cochlear Implants
- Cold and Cough Medicines
- Cold SoresFever blister, Oral herpes
- Collapsed Lung
- College Health
- Colonic DiseasesLarge intestine diseases
- Colonic PolypsColon polyps
- Colonoscopy
- Color Blindness
- Colorectal CancerColon cancer, Rectal cancer
- Coma
- Common Cold
- Common Infant and Newborn Problems
- Complementary and Integrative MedicineCAM
- Complex Regional Pain SyndromeCRPS, Causalgia
- Compulsive GamblingGambling addiction
- ConcussionBrain concussion
- Congenital Heart Defects
- Connective Tissue Disorders
- Constipation
- COPD
- Coping with Chronic Illness
- Coping with Disasters
- Corneal Disorders
- Corns and Calluses
- Coronary Artery Bypass SurgeryBypass surgery, CABG
- Coronary Artery DiseaseCAD, Coronary arteriosclerosis
- CosmeticsMakeup
- Cough
- COVID-19 (Coronavirus Disease 2019)COVID-19, Coronavirus
- COVID-19 TestingCOVID-19 Antibody Test, COVID-19 Viral Test
- COVID-19 Vaccines
- CPRCardiopulmonary resuscitation
- Craniofacial Abnormalities
- Creutzfeldt-Jakob DiseaseCJD
- Critical CareICU, Intensive care
- Crohn's DiseaseRegional enteritis, Regional ileitis
- CroupSpasmodic croup, Viral croup
- CryptosporidiosisCrypto
- CT ScansCAT scan
- Cushing's SyndromeHypercortisolism
- Cystic FibrosisCF
- Cytomegalovirus InfectionsCMV
- Dandruff, Cradle Cap, and Other Scalp ConditionsSeborrhea, Seborrheic Dermatitis
- DASH Eating PlanDASH Diet, Dietary Approaches to Stop Hypertension
- Deep Vein ThrombosisDVT
- Degenerative Nerve DiseasesNeurodegenerative diseases
- Dehydration
- Delirium
- DementiaSenility
- DengueBreak-bone fever, Dengue fever
- Dental HealthOral health
- DenturesFalse teeth
- DepressionClinical depression, Dysthymic disorder
- Developmental Disabilities
- DiabetesDM, Diabetes mellitus
- Diabetes and PregnancyGestational diabetes
- Diabetes ComplicationsDiabetic complications
- Diabetes in Children and Teens
- Diabetes InsipidusDI
- Diabetes Medicines
- Diabetes Type 1Insulin-dependent diabetes, Juvenile diabetes
- Diabetes Type 2Type 2 Diabetes
- Diabetic DietDiabetic meal plan
- Diabetic Eye ProblemsDiabetic retinopathy
- Diabetic Foot
- Diabetic Heart Disease
- Diabetic Kidney ProblemsDiabetic nephropathy
- Diabetic Nerve ProblemsDiabetic neuropathy
- Diagnostic ImagingImaging
- DialysisRenal dialysis
- DiarrheaDysentery, The runs
- Dietary FatsLipids, Monounsaturated fat
- Dietary FiberBulk, Roughage
- Dietary Proteins
- Dietary Supplements
- Diets
- Digestive DiseasesGastrointestinal diseases
- Diphtheria
- Disabilities
- Disaster Preparation and Recovery
- Dislocated Shoulder
- Dislocations
- Diverticulosis and DiverticulitisDiverticular disease
- Dizziness and Vertigo
- Down SyndromeTrisomy 21
- Drinking Water
- Drowning
- Drug ReactionsSide effects
- Drug Safety
- Drug Use and AddictionDrug abuse, Substance Use
- Drugs and Young PeopleAdolescent drug use
- Dry MouthXerostomia
- Dual Diagnosis
- DwarfismLittle person
- Dystonia
- E-CigarettesE-Cigs, Electronic Cigarettes
- E. coli InfectionsEscherichia coli
- Ear Disorders
- Ear InfectionsOtitis media
- Earthquakes
- Eating DisordersAnorexia nervosa, Binge eating
- EbolaEbola disease, Ebola hemorrhagic fever
- Ectopic PregnancyAbdominal pregnancy, Tubal pregnancy
- EczemaDermatitis
- EdemaDropsy, Swelling
- Ehlers-Danlos SyndromeCutis elastica, EDS
- Elbow Injuries and Disorders
- Elder Abuse
- Electrical InjuriesElectric shock, Electrical burn
- Electromagnetic FieldsEMFs
- Emergency Medical Services
- EmphysemaPulmonary emphysema
- Encephalitis
- End of Life IssuesDeath and dying, Terminal care
- Endocarditis
- Endocrine Diseases
- EndometriosisEndo
- Endoscopy
- Enlarged Prostate (BPH)benign prostatic hyperplasia
- Environmental Health
- Eosinophilic DisordersEosinophilia
- Eosinophilic EsophagitisEoE
- Epilepsy
- Erectile DysfunctionED, Impotence
- Ergonomics
- Esophageal Cancer
- Esophagus Disorders
- Evaluating Health Information
- Exercise and Physical Fitness
- Exercise for Children
- Exercise for Older AdultsSeniors' fitness
- Eye Cancer
- Eye CareEye health, Eye safety
- Eye Diseases
- Eye Infections
- Eye Injuries
- Eye Movement Disorders
- Eyelid Disorders
- EyewearContact lenses, Eyeglasses
- Facial Injuries and Disorders
- FaintingSyncope
- Falls
- Family History
- Family Issues
- FatigueTiredness, Weariness
- Female Infertility
- Fetal Alcohol Spectrum DisordersFASD
- Fetal Health and Development
- FeverPyrexia
- FibromyalgiaFMS, Fibro
- Fifth DiseaseErythema infectiosum, Parvovirus B19 infection
- Financial Assistance
- Finger Injuries and Disorders
- Fire SafetyFire prevention
- First Aid
- Fistulas
- Floods
- FluGrippe, Influenza
- Flu ShotFlu vaccine
- Fluid and Electrolyte Balance
- Folic AcidFolacin, Folate
- Food Allergy
- Food LabelingNutrition labeling
- Food Safety
- Foodborne IllnessFood Poisoning
- Foot Health
- Foot Injuries and Disorders
- Foreign Bodies
- FracturesBroken bone
- Fragile X SyndromeFRAXA, FXS
- Friedreich Ataxia
- Frostbite
- Fungal InfectionsMycoses
- G6PD DeficiencyGlucose-6-phosphate dehydrogenase deficiency
- Gallbladder Cancer
- Gallbladder Diseases
- GallstonesCholelithiasis
- Gangrene
- GasBelch, Burp
- GastroenteritisStomach flu
- Gastrointestinal BleedingGI bleeding
- Gaucher Disease
- Genes and Gene Therapy
- Genetic Brain DisordersInborn genetic brain disorders
- Genetic Counseling
- Genetic Disorders
- Genetic Testing
- Genital HerpesHerpes genitalis
- Genital WartsCondylomata acuminata, Venereal warts
- GERDGastroesophageal reflux disease
- Germs and Hygiene
- Giant Cell Arteritis
- Giardia Infections
- Glaucoma
- Global HealthInternational health
- Gluten SensitivityGluten Intolerance
- GonorrheaThe clap
- GoutGouty arthritis
- Granulomatosis with PolyangiitisGPA, Wegener's Granulomatosis
- Growth Disorders
- Guide to Good Posture
- Guillain-Barre SyndromeAcute idiopathic polyneuritis, Acute inflammatory polyneuropathy
- Gum DiseasePeriodontal disease
- H1N1 Flu (Swine Flu)Swine flu
- Haemophilus Infections
- Hair LossAlopecia
- Hair Problems
- Hand Injuries and Disorders
- Hantavirus InfectionsHPS, Hanta virus
- Hay FeverPollen allergy
- HDL: The "Good" CholesterolHigh-density lipoprotein
- Head and Neck Cancer
- Head InjuriesCranial injuries, Skull fractures
- Head LicePediculosis
- Headache
- Health CheckupAnnual checkup, Annual physical examination
- Health Disparities
- Health FacilitiesHealth care facilities
- Health FraudHealth scams, Quackery
- Health Insurance
- Health Literacy
- Health OccupationsHealth careers, Health professions
- Health Problems in Pregnancy
- Health Risks of an Inactive LifestyleSedentary lifestyle, Sitting disease
- Health ScreeningScreening tests
- Health Statistics
- Healthy Aging
- Healthy Living
- Healthy SleepSleep Hygiene
- Hearing Aids
- Hearing Disorders and DeafnessHearing loss, Presbycusis
- Hearing Problems in Children
- Heart AttackMI, Myocardial infarction
- Heart Disease in Women
- Heart DiseasesCardiac diseases
- Heart FailureCHF, Cardiac failure
- Heart Health TestsCardiac Diagnostic Tests
- Heart SurgeryCardiac surgery
- Heart Transplantation
- Heart Valve DiseasesValvular heart disease
- HeartburnAcid indigestion, Pyrosis
- Heat IllnessHeat exhaustion, Heat stroke
- Heel Injuries and Disorders
- Helicobacter pylori InfectionsH. pylori infections
- HemochromatosisIron overload disease
- HemophiliaChristmas disease, Factor IX deficiency
- Hemorrhagic FeversVHFs
- Hemorrhagic StrokeIntracerebral Hemorrhage, Subarachnoid Hemorrhage
- HemorrhoidsPiles
- Hepatitis
- Hepatitis AHAV
- Hepatitis BHBV
- Hepatitis CHCV
- Herbal MedicineBotanicals, Phytotherapy
- HerniaEnterocele
- Herniated DiskBulging disk, Compressed disk
- HeroinBig H, Black tar
- Herpes SimplexHSV
- Hiatal Hernia
- HiccupsHiccough
- Hidradenitis SuppurativaAcne inversa, Suppurative hidradenitis
- High Blood PressureBenign essential hypertension, Essential hypertension
- High Blood Pressure in Pregnancy
- High Cholesterol in Children and Teens
- Hip Injuries and Disorders
- Hip ReplacementHip arthroplasty, Hip prosthesis
- Histoplasmosis
- HIVAIDS, Acquired immunodeficiency syndrome
- HIV and InfectionsAIDS-related opportunistic infections, OIs
- HIV and Pregnancy
- HIV in Women
- HIV MedicinesART, Antiretroviral therapy
- HIV: PrEP and PEPPost-Exposure Prophylaxis, Pre-Exposure Prophylaxis
- HivesUrticaria
- Hodgkin LymphomaHodgkin Disease
- Home Care ServicesIn-home care
- Homelessness and Health
- Hormone Therapy for MenopauseERT, Estrogen replacement therapy
- Hormones
- Hospice CareEnd-of-life care
- Household Products
- How Much Exercise Do I Need?
- How to Improve Mental HealthBoost Emotional Wellness, Improve Emotional Health
- How to Lower Cholesterol
- How to Lower Cholesterol with DietLow Cholesterol Diet, TLC Diet
- How to Prevent Diabetes
- How to Prevent Heart Disease
- How to Prevent High Blood PressureLowering high blood pressure
- HPVHuman papillomavirus
- Huntington's DiseaseHD, Huntington's chorea
- HurricanesCyclones, Typhoons
- HydrocephalusWater on the brain
- HyperglycemiaHigh blood glucose, High blood sugar
- HyperthyroidismOveractive thyroid
- HypoglycemiaLow blood sugar
- HypothermiaCold-related illness
- HypothyroidismUnderactive thyroid
- Hysterectomy
- Immune System and Disorders
- Impaired DrivingDistracted driving, Drugged driving
- Impetigo
- IndigestionDyspepsia, Upset stomach
- Indoor Air Pollution
- Infant and Newborn CareBaby care
- Infant and Newborn Development
- Infant and Newborn Nutrition
- Infection Control
- Infections and Pregnancy
- Infectious ArthritisSeptic arthritis
- Infectious DiseasesCommunicable diseases
- Infectious MononucleosisGlandular fever, Kissing disease
- InfertilitySterility
- InhalantsHuffing
- Inhalation Injuries
- Insect Bites and StingsBug bites
- Insomnia
- Interstitial CystitisBladder pain syndrome, IC
- Interstitial Lung Diseases
- Intestinal CancerDuodenal cancer, Ileal cancer
- Intestinal ObstructionBowel obstruction, Intestinal volvulus
- Intimate Partner ViolenceBattery, Domestic violence
- Iron
- Irritable Bowel SyndromeIBS, Irritable colon
- Ischemic StrokeEmbolic Stroke, Thrombotic stroke
- Islet Cell Transplantation
- ItchingPruritus
- JaundiceIcterus
- Jaw Injuries and Disorders
- Joint Disorders
- Juvenile ArthritisChildhood arthritis, JRA
- Kaposi SarcomaKS
- Kawasaki DiseaseMucocutaneous lymph node syndrome
- Kidney CancerHypernephroma, Renal cancer
- Kidney Cysts
- Kidney DiseasesRenal diseases
- Kidney FailureESRD, End-stage renal disease
- Kidney StonesNephrolithiasis
- Kidney TestsKidney Function Panel, Kidney Function Tests
- Kidney TransplantationRenal transplantation
- Klinefelter SyndromeXXY male
- Knee Injuries and Disorders
- Knee ReplacementKnee arthroplasty
- Laboratory Tests
- Lactose IntoleranceDairy product intolerance, Lactase deficiency
- Laser Eye SurgeryKeratectomy, LASIK
- Latex Allergy
- LDL: The "Bad" CholesterolLow-density lipoprotein
- Lead PoisoningPlumbism
- Learning DisabilitiesLearning differences, Learning disorders
- Leg Injuries and Disorders
- Legionnaires' DiseaseLegionellosis
- LeishmaniasisKala-azar
- Leukemia
- Leukodystrophies
- Lewy Body DementiaDementia with Lewy bodies, LBD
- Limb Loss
- Lipid Metabolism Disorders
- Listeria InfectionsListeriosis
- Liver CancerHepatocellular carcinoma
- Liver DiseasesHepatic diseases
- Liver TransplantationHepatic transplantation
- Living with HIV
- Low Blood PressureHypotension, LBP
- Lung CancerBronchogenic carcinoma
- Lung Diseases
- Lung Transplantation
- LupusDiscoid lupus, SLE
- Lyme DiseaseBorreliosis
- Lymphatic Diseases
- LymphedemaLymphatic obstruction
- LymphomaNon-Hodgkin lymphoma
- Macular DegenerationAMD, Age-related macular degeneration
- Malabsorption Syndromes
- Malaria
- Male Breast Cancer
- Male Infertility
- Malnutrition
- Mammography
- Managed Care
- Marfan Syndrome
- MarijuanaBlunt, Cannabis
- Mastectomy
- MeaslesRubeola
- Medicaid
- Medical Device Safety
- Medical Ethics
- Medicare
- Medication Errors
- MedicinesDrugs, Medications
- Medicines and Children
- Melanoma
- Memory
- Men's Health
- Meniere's Disease
- MeningitisSpinal meningitis
- Meningococcal DiseaseMeningococcal Infections
- MenopauseChange of life
- MenstruationMenses, Menstrual period
- Mental DisordersMental illness
- Mental Health
- Mercury
- MesotheliomaMalignant mesothelioma
- Metabolic Disorders
- Metabolic SyndromeInsulin resistance syndrome, Metabolic syndrome X
- MethamphetamineChalk, Crystal
- Migraine
- Mild Cognitive ImpairmentMCI
- Minerals
- MiscarriageSpontaneous abortion
- Mitochondrial Diseases
- Mitral Valve ProlapseBarlow's syndrome, Floppy valve syndrome
- Mobility AidsAmbulation devices
- MoldsFungi
- MolesNevus
- Mood Disorders
- Mosquito Bites
- Motion SicknessAirsickness, Carsickness
- Motor Vehicle SafetyAutomobile safety, Car safety
- Mouth Disorders
- Movement Disorders
- MpoxMonkeypox
- MRI ScansMagnetic resonance imaging, NMR
- MRSAMethicillin-resistant Staphylococcus aureus
- Multiple MyelomaPlasma-cell myeloma
- Multiple SclerosisMS
- Mumps
- Muscle CrampsCharley horse
- Muscle DisordersMyopathy
- Muscular DystrophyMD
- Myalgic Encephalomyelitis/Chronic Fatigue SyndromeCFS, Chronic fatigue syndrome
- Myasthenia Gravis
- Mycobacterial Infections
- Myelodysplastic SyndromesMDS
- Myositis
- Nail Diseases
- Nasal CancerCancer of the nasal cavity, Cancer of the paranasal sinus
- Nausea and VomitingEmesis
- Neck Injuries and Disorders
- Neural Tube Defects
- Neuroblastoma
- NeurofibromatosisRecklinghausen's disease, von Recklinghausen's disease
- Neurologic DiseasesNervous system diseases
- Neuromuscular Disorders
- Newborn Screening
- Noise
- Non-Drug Pain Management
- Norovirus InfectionsNorwalk virus infections
- Nose Injuries and DisordersNasal disorders
- Nuclear ScansRadioisotope scans, Radionuclide scans
- Nursing Homes
- Nutrition
- Nutrition for Older Adults
- Nutritional SupportArtificial feeding, Artificial hydration and nutrition
- Obesity
- Obesity in Children
- Obsessive-Compulsive DisorderOCD
- Occupational Health
- Occupational Health for Health Care Providers
- Oil Spills
- Older Adult Health
- Older Adult Mental HealthSenior mental health
- Opioid Overdose
- Opioid Use Disorder (OUD) TreatmentMedications for opioid use disorder (MOUD), Opioid abuse and addiction treatment
- Opioids and Opioid Use Disorder (OUD)Opioid abuse, Opioid addiction
- Optic Nerve Disorders
- Oral Cancer
- Organ Donation
- Organ Transplantation
- OrthodontiaBraces
- OsteoarthritisDegenerative joint disease, OA
- Osteogenesis ImperfectaBrittle bone disease, OI
- OsteonecrosisAseptic necrosis, Avascular necrosis
- Osteoporosis
- Ostomy
- Ovarian Cancer
- Ovarian Cysts
- Ovarian Disorders
- Over-the-Counter MedicinesNon-prescription drugs, OTC medicines
- Overactive Bladder
- Oxygen Therapy
- Ozone
- Pacemakers and Implantable Defibrillators
- Paget's Disease of BoneOsteitis deformans
- Pain
- Pain RelieversAnalgesics, Pain medicines
- Palliative Care
- Pancreas Transplantation
- Pancreatic Cancer
- Pancreatic Diseases
- Pancreatitis
- Panic Disorder
- ParalysisHemiplegia, Palsy
- Parasitic Diseases
- Parathyroid Disorders
- Parenting
- Parkinson's DiseaseParalysis agitans, Shaking palsy
- Patient Rights
- Patient Safety
- Pelvic Floor DisordersCystocele, Enterocele
- Pelvic Inflammatory DiseasePID
- Pelvic Pain
- Pemphigus
- Penis DisordersPenile disorders
- Peptic UlcerDuodenal ulcer, Gastric ulcer
- Pericardial Disorders
- Period PainDysmenorrhea, Menstrual cramps
- Peripheral Arterial DiseasePAD
- Peripheral Nerve DisordersNeuritis, Peripheral neuritis
- Peritoneal Disorders
- Personal Health RecordsElectronic health records, Patient health record
- Personality Disorders
- PesticidesFungicides, Herbicides
- Pet Health
- PhenylketonuriaPKU
- Pheochromocytoma
- Phobias
- Piercing and TattoosBody art, Body piercing
- Pink EyeConjunctivitis
- PinwormsEnterobiasis, Oxyuriasis
- Pituitary Disorders
- Pituitary Tumors
- PlagueBubonic plague, Pneumonic plague
- Plastic and Cosmetic SurgeryCosmetic surgery
- Platelet DisordersThrombocyte disorders
- Pleural Disorders
- Pneumococcal InfectionsStreptococcus pneumoniae infections
- Pneumocystis Infections
- PneumoniaBronchopneumonia
- Poison Ivy, Oak, and SumacIvy poison, Rhus dermatitis
- Poisoning
- Polio and Post-Polio SyndromeInfantile paralysis, PPS
- Polycystic Ovary SyndromePCOS, Stein-Leventhal Syndrome
- Polymyalgia Rheumatica
- Porphyria
- Post-COVID Conditions (Long COVID)Chronic COVID, Long-haul COVID
- Post-Traumatic Stress DisorderPTSD
- Postpartum CarePost-pregnancy health
- Postpartum DepressionPost-pregnancy depression
- Potassium
- Prader-Willi SyndromePWS
- Preconception Care
- Prediabetes
- Pregnancy
- Pregnancy and Medicines
- Pregnancy and Nutrition
- Pregnancy and Opioids
- Pregnancy and Substance Use
- Premature BabiesPreemies
- Premenstrual SyndromePMS
- Prenatal Care
- Prenatal Testing
- Prescription Drug MisusePrescription Drug Abuse
- Pressure SoresBed sores, Decubitus ulcers
- Preterm LaborEarly Labor, Premature Birth
- Primary Ovarian InsufficiencyOvarian insufficiency, POF
- Progressive Supranuclear PalsyPSP, Richardson-Steele-Olszewski syndrome
- Prostate Cancer
- Prostate Cancer Screening
- Prostate Diseases
- Psoriasis
- Psoriatic Arthritis
- Psychotic DisordersPsychoses
- Puberty
- Pubic LiceCrabs
- Pulmonary EmbolismBlood clots in the lung
- Pulmonary FibrosisIPF, Idiopathic pulmonary fibrosis
- Pulmonary HypertensionPulmonary arterial hypertension
- Pulmonary Rehabilitation
- Quitting SmokingSmoking cessation
- RabiesHydrophobia
- Radiation Emergencies
- Radiation Exposure
- Radiation TherapyBrachytherapy, Radiotherapy
- Radon
- Rare Diseases
- RashesDermatitis, Skin rash
- Raynaud PhenomenonRaynaud's disease, Raynaud's syndrome
- Rectal Disorders
- Reflux in ChildrenGER in Children, GERD in Children
- Reflux in InfantsGER in Infants, GERD in infants
- Refractive ErrorsFarsightedness, Hyperopia
- RehabilitationRehab
- Reproductive Hazards
- Respiratory Failure
- Respiratory Syncytial Virus InfectionsRSV
- Restless LegsRLS, Willis-Ekbom Disease
- Retinal Detachment
- Retinal Disorders
- Rett Syndrome
- Reye Syndrome
- Rh Incompatibility
- Rheumatoid ArthritisRA
- RicketsRachitis
- RosaceaAcne rosacea
- Rotator Cuff Injuries
- Rotavirus Infections
- RubellaGerman measles, Three day measles
- Rural Health Concerns
- Safe Opioid Use
- SafetyAccident prevention
- Salivary Gland Cancer
- Salivary Gland Disorders
- Salmonella Infections
- Sarcoidosis
- Scabies
- ScarsCicatrix, Keloid scar
- Schizophrenia
- School Health
- Sciatica
- SclerodermaCircumscribed scleroderma, Dermatosclerosis
- Scoliosis
- Seasonal Affective DisorderSAD, Seasonal depression
- Secondhand SmokeEnvironmental tobacco smoke, Passive smoking
- Seizures
- Self-HarmSelf-injury
- Sepsis
- Sexual AssaultRape
- Sexual Health
- Sexual Problems in Men
- Sexual Problems in Women
- Sexually Transmitted InfectionsSTDs, STIs
- ShinglesHerpes zoster
- Shock
- Shoulder Injuries and Disorders
- Sickle Cell DiseaseHemoglobin SS disease, Sickle cell anemia
- Sinusitis
- Sjogren's SyndromeSjogren's Disease
- Skin Aging
- Skin Cancer
- Skin ConditionsCutaneous disorders, Dermatologic disorders
- Skin Infections
- Skin Pigmentation DisordersHyperpigmentation, Hypopigmentation
- Sleep ApneaSleep-disordered breathing
- Sleep Disorders
- Small Intestine Disorders
- Smallpox
- Smokeless TobaccoChewing tobacco, Dip
- SmokingCigar smoking, Cigarette smoking
- Smoking and YouthTeen smoking
- Snoring
- SodiumSalt
- Soft Tissue Sarcoma
- Sore ThroatPharyngitis
- Speech and Communication DisordersCommunication disorders
- Speech and Language Problems in Children
- Spider Bites
- Spina BifidaCleft spine, Open spine
- Spinal Cord Diseases
- Spinal Cord Injuries
- Spinal Muscular AtrophySMA
- Spinal Stenosis
- Spine Injuries and Disorders
- Spleen DiseasesSplenic diseases
- Sports Fitness
- Sports Injuries
- Sports Safety
- Sprains and Strains
- Staphylococcal InfectionsStaph
- StatinsHMG-CoA reductase inhibitors
- Steatotic Liver DiseaseALD, Alcohol-associated liver disease
- Stem Cells
- SteroidsCorticosteroids, Glucocorticoids
- Stillbirth
- Stomach CancerGastric cancer
- Stomach DisordersGastric disorders
- Streptococcal InfectionsStrep
- StressPsychological stress
- StrokeBrain attack, CVA
- Stroke Rehabilitation
- StutteringStammering
- Sudden Cardiac ArrestCardiac arrest, SCA
- Sudden Infant Death SyndromeCrib death, SIDS
- Suicide
- Sun ExposureSunburn
- SurgeryOperation
- Swallowing DisordersDysphagia
- SweatPerspiration
- Syphilis
- Syringomyelia
- Tailbone DisordersCoccyx disorders
- Talking With Your Doctor
- Tanning
- Taste and Smell Disorders
- Tay-Sachs Disease
- TearsLacrimation
- Teen Depression
- Teen DevelopmentAdolescent development
- Teen HealthAdolescent health
- Teen Mental Health
- Teen Sexual Health
- Teen ViolenceYouth violence
- Teenage PregnancyAdolescent pregnancy
- TelehealthTelemedicine
- Temporomandibular DisordersTMD, TMJ disorders
- TendinitisTendonitis
- Testicular Cancer
- Testicular Disorders
- Tetanus
- Tetanus, Diphtheria, and Pertussis VaccinesDTaP, DTaP/Tdap/Td
- ThalassemiaCooley's anemia, Mediterranean anemia
- Thoracic Outlet SyndromeTOS
- Throat CancerHypopharyngeal cancer, Laryngeal cancer
- Throat DisordersPharyngeal disorders
- Thymus CancerThymoma
- Thyroid Cancer
- Thyroid Diseases
- Thyroid Tests
- Tick Bites
- Tinea InfectionsRingworm
- Tinnitus
- Toddler Development
- Toddler Health
- Toddler Nutrition
- Toe Injuries and Disorders
- Tongue Disorders
- TonsillitisTonsil Inflammation
- Tooth DecayCavities, Dental caries
- Tooth Disorders
- Tornadoes
- Tourette Syndrome
- Toxoplasmosis
- Tracheal DisordersWindpipe disorders
- Transient Ischemic AttackMini-stroke, TIA
- Traumatic Brain InjuryAcquired brain injury, TBI
- Traveler's Health
- Tremor
- TrichomoniasisTrich
- Trigeminal NeuralgiaTN, Tic douloureux
- Triglycerides
- Tsunamis
- Tubal Ligation
- TuberculosisTB
- Tuberous SclerosisTSC, Tuberous sclerosis complex
- Tumors and Pregnancy
- Turner Syndrome
- Twins, Triplets, Multiple Births
- Ulcerative ColitisColitis, Distal colitis
- Uncommon Infant and Newborn Problems
- Underage DrinkingTeenage drinking
- Understanding Medical Research
- Ureteral Disorders
- Urethral Disorders
- UrinalysisUA, Urine Analysis
- Urinary IncontinenceBladder control problems
- Urinary Tract InfectionsUTI
- Urine and Urination
- Usher Syndrome
- Uterine CancerEndometrial cancer
- Uterine Diseases
- Uterine FibroidsFibroids, Uterine leiomyomata
- Vaccine Safety
- VaccinesImmunization, Vaccination
- Vaginal BleedingDysfunctional Uterine Bleeding, Uterine Bleeding
- Vaginal Cancer
- Vaginal Diseases
- Vaginitis
- Valley FeverCoccidioidomycosis
- Varicose Veins
- Vascular Diseases
- VasculitisAngiitis
- Vasectomy
- Vegetarian Diet
- Veterans and Military Family Health
- Veterans and Military Health
- Viral Infections
- Vision Impairment and BlindnessLow vision
- Vital Signs
- Vitamin A
- Vitamin CAscorbic acid
- Vitamin DCholecalciferol, Ergocalciferol
- Vitamin D DeficiencyHypovitaminosis D, Low Vitamin D
- Vitamin E
- Vitamin K
- Vitamins
- Vitiligo
- VLDL Cholesterol
- Voice DisordersVocal disorders
- Volcanoes
- Von Hippel-Lindau DiseaseVHL
- Vulvar Cancer
- Vulvar Disorders
- Walking Problems
- WartsVerruca
- Water Pollution
- Water Safety (Recreational)
- Weight Control
- Weight Loss SurgeryBariatric surgery, Bypass surgery
- West Nile VirusWNV
- Whooping CoughPertussis
- WildfiresForest Fire, Wildland Fire
- Wilms TumorNephroblastoma
- Wilson DiseaseCopper storage disease, Hepatolenticular degeneration
- Winter Weather Emergencies
- Women's Health
- Women's Health Checkup
- Wounds and InjuriesTraumatic injuries
- Wrist Injuries and Disorders
- X-RaysRadiography
- Yeast InfectionsCandidiasis, Moniliasis
- Zika VirusZika
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Infections126Brain and Nerves102Blood, Heart and Circulation93Digestive System79Bones, Joints and Muscles78Children and Teenagers77Female Reproductive System69Cancers66Skin, Hair and Nails63Women60Immune System58Food and Nutrition57Genetics/Birth Defects56Injuries and Wounds56Endocrine System51Lungs and Breathing51Mental Health and Behavior43Older Adults43Pregnancy and Reproduction40Symptoms38Ear, Nose and Throat37Wellness and Lifestyle32Mouth and Teeth31Health System28Metabolic Problems27Poisoning, Toxicology, Environmental Health27Substance Use and Disorders27Eyes and Vision26Kidneys and Urinary System25Male Reproductive System25
Topic names, alternate names and source links on this index are derived from MedlinePlus.gov, a service of the U.S. National Library of Medicine. PocketsInfo is not affiliated with, and not endorsed by, the NLM or the NIH.