- Dandruff, Cradle Cap, and Other Scalp Conditions
- Dandy-Walker Syndrome see Cerebellar Disorders
- DASH Diet see DASH Eating Plan
- DASH Eating Plan
- Day Care see Home Care Services
- Deafness see Hearing Disorders and Deafness; Hearing Problems in Children
- Death and Dying see End of Life Issues
- Decubitus Ulcers see Pressure Sores
- Deep Vein Thrombosis
- Defibrillators, Implantable see Pacemakers and Implantable Defibrillators
- Degenerative Joint Disease see Osteoarthritis
- Degenerative Nerve Diseases
- Dehydration
- Delirium
- Delivery see Childbirth
- Dementia
- Dementia with Lewy Bodies see Lewy Body Dementia
- Dengue
- Dental Caries see Tooth Decay
- Dental Health
- Dental Health, Child see Child Dental Health
- Dental Implants see Dentures
- Dental Sealants see Child Dental Health; Tooth Decay
- Dentures
- Depression
- Depression, Teen see Teen Depression
- Dermatitis see Eczema; Rashes
- Dermatology see Skin Conditions
- Dermatomyositis see Myositis
- Developmental Disabilities
- Diabetes
- Diabetes and Pregnancy
- Diabetes Complications
- Diabetes in Children and Teens
- Diabetes Insipidus
- Diabetes Medicines
- Diabetes Mellitus see Diabetes
- Diabetes Prevention see How to Prevent Diabetes
- Diabetes Type 1
- Diabetes Type 2
- Diabetic Diet
- Diabetic Eye Problems
- Diabetic Foot
- Diabetic Heart Disease
- Diabetic Kidney Problems
- Diabetic Nephropathy see Diabetic Kidney Problems
- Diabetic Nerve Problems
- Diabetic Retinopathy see Diabetic Eye Problems
- Diagnostic Imaging
- Dialysis
- Diaper Rash see Common Infant and Newborn Problems; Rashes
- Diaphragmatic Hernia see Hernia
- Diarrhea
- Dietary Fats
- Dietary Fiber
- Dietary Proteins
- Dietary Sodium see Sodium
- Dietary Supplements
- Dieting see Diets
- Diets
- Digestive Diseases
- Dip see Smokeless Tobacco
- Diphtheria
- Disabilities
- Disaster Preparation and Recovery
- Dislocated Shoulder
- Dislocations
- Diverticulitis see Diverticulosis and Diverticulitis
- Diverticulosis and Diverticulitis
- Dizziness and Vertigo
- Do-Not-Resuscitate Orders see Advance Directives
- Dog Bites see Animal Bites
- Domestic Violence see Intimate Partner Violence
- Donors see Organ Donation
- Down Syndrome
- Drinking see Alcohol; Alcohol Use Disorder (AUD)
- Drinking Water
- Driving see Impaired Driving; Motor Vehicle Safety
- Dropsy see Edema
- Drowning
- Drug abuse see Drug Use and Addiction
- Drug Abuse in Pregnancy see Pregnancy and Substance Use
- Drug Abuse, Prescription see Prescription Drug Misuse
- Drug Allergies see Drug Reactions
- Drug Errors see Medication Errors
- Drug Information see Medicines; Over-the-Counter Medicines
- Drug Interactions see Drug Reactions
- Drug Reactions
- Drug Safety
- Drug Use and Addiction
- Drugged Driving see Impaired Driving
- Drugs and Young People
- Drunk Driving see Impaired Driving
- Dry Eye see Tears
- Dry Mouth
- Dual Diagnosis
- Duchenne Muscular Dystrophy see Muscular Dystrophy
- Duodenal Ulcer see Peptic Ulcer
- Dupuytren Contracture see Finger Injuries and Disorders
- DVT see Deep Vein Thrombosis
- Dwarfism
- Dysautonomia see Autonomic Nervous System Disorders
- Dyscalculia see Learning Disabilities
- Dysentery see Diarrhea
- Dysfunctional uterine bleeding see Vaginal Bleeding
- Dysgeusia see Taste and Smell Disorders
- Dyskinesia see Movement Disorders
- Dyslexia see Learning Disabilities
- Dysmenorrhea see Period Pain
- Dysosmia see Taste and Smell Disorders
- Dyspareunia see Sexual Problems in Women
- Dyspepsia see Indigestion
- Dysphagia see Swallowing Disorders
- Dyspnea see Breathing Problems
- Dysthymic Disorder see Depression
- Dystonia
- Dysuria see Urine and Urination