- D&C (Dilation and Curettage (D&C))
- Dam, Dental (How to Use a Condom)
- Dandruff
- Dark Vaginal Discharge (Vaginal Discharge)
- DCD (Motor Skills Disorder)
- de Quervain's Tenosynovitis
- Death, Sudden Cardiac (Sudden Cardiac Arrest)
- Decompression Syndromes: The Bends
- Decrease in Testosterone (Low Testosterone (Low-T))
- Deep Vein Thrombophlebitis (Phlebitis)
- Deep Vein Thrombosis (Blood Clot in the Legs)
- Degenerative Disease of the Brain (Parkinson Disease Dementia)
- Dehydration in Adults
- Dehydration in Children
- Dementia Due to HIV Infection
- Dementia in ALS (Lou Gehrig's Disease)
- Dementia in Head Injury
- Dementia Medication Overview
- Dementia Overview
- Dementia vs Alzheimers What Is the Difference
- Dementia With Lewy Bodies
- Dementia, Stroke Related (Stroke-Related Dementia)
- Dengue Fever
- Dental Abscess
- Dental Dam (How to Use a Condom)
- Depression Health
- Depression Risk in Cancer Patients
- Depression Symptoms and Signs
- Dermatomes
- Dermoid Cyst (Ovarian Cysts)
- Dermoid Cyst Removal
- Dermoid Cysts in the Brain (Dermoid Cyst Removal)
- Dermoid Cysts in the Nasal Sinuses (Dermoid Cyst Removal)
- Dermoid Cysts of the Ovary (Dermoid Cyst Removal)
- Desquamative Interstitial Pneumonitis (Interstitial Lung Disease)
- Developmental Disorder, Pervasive (Asperger Syndrome)
- Developmental Dyspraxia (Motor Skills Disorder)
- Developmental Motor Delay (Motor Skills Disorder)
- Diabetes (Mellitus, Type 1 and Type 2)
- Diabetes Blood Sugar Emergencies
- Diabetes Emergencies
- Diabetes Symptoms and Signs in Men and Women
- Diabetes, Type 2 (Type 2 Diabetes)
- Diabetic Encephalopathy (Encephalopathy)
- Diabetic Eye Disease
- Diabetic Foot Care
- Diabetic Ketoacidosis
- Diabetic Macular Edema (Diabetic Eye Disease)
- Diabetic Neuropathy (Neuropathy)
- Diabetic Retinopathy (Diabetic Eye Disease)
- Diagnosing Erectile Dysfunction
- Diagnosis and Treatment of Pancreatic Cancer
- Diaper Rash
- Diarrhea
- Diarrhea and Constipation as Cancer Treatment Side
- Diarrhea Drugs (Home Pharmacy)
- Diarrhea Is It Food Poisoning or Infection
- Diarrhea vs Loose Stool Differences Similarities
- Diarrhea, Traveler's (Traveler's Diarrhea)
- Diarrheal Shellfish Poisoning (Wilderness: Shellfish Poisoning, Gastrointestinal)
- Diastolic Heart Failure (Congestive Heart Failure)
- Diet and Crohn's Disease (Diet and Nutrition in Crohn Disease)
- Diet and Nutrition in Crohn Disease
- Diet for a Person with High Cholesterol
- Diet for Seniors (Healthy Lifestyles for Seniors)
- Difference Addiction and Substance Abuse Disorder
- Difference Between a Cyst and Breast Cancer
- Difference Between A Psychopath and A Sociopath
- Difference Between Back Pain and Kidney Pain
- Difference Between Carcinoid Neuroendocrine Tumors
- Difference Between Marburg and Ebola Virus
- Difference Between Mucus Plug vs Bloody Show
- Difference Between Paresthesia and Dysesthesia
- Difference Between Psoriasis and Plaque
- Difference Between Rheumatoid Arthritis vs Lupus
- Difference Carbon Monoxide Carbon Dioxide Poisonin
- Difference Common Hepatic and Common Bile Duct
- Difference Rheumatoid Arthritis vs. Fibromyalgia
- Differences Between Tuberculosis and COVID 19
- Difficile (Clostridium Difficile (C. difficile, C. diff))
- Difficulty Swallowing (Dysphagia (Swallowing Problems))
- Diffuse Idiopathic Skeletal Hyperostosis (DISH)
- Dilated Cardiomyopathy (Cardiomyopathy)
- Dilation and Curettage (D&C)
- DIP (Interstitial Lung Disease)
- Diphtheria
- Direct Hospital Admission (Hospital Admissions)
- Disc Battery Ingestion (Battery Ingestion)
- Discharge, Vaginal (Vaginal Discharge)
- Disease, Alzheimer's (Alzheimer's Disease FAQs)
- Disease, Chronic Obstructive Pulmonary (Chronic Obstructive Pulmonary Disease (COPD))
- Disease, Crohn's (Crohn Disease)
- Disease, Liver (Liver)
- Disease, Parkinson's (Parkinson's Disease (PD))
- Disease, Pelvic Inflammatory (Pelvic Inflammatory Disease)
- Disease, Thyroid (Thyroid FAQs)
- Disease, Thyroid (Thyroid Problems)
- Dislocated Ankle (Ankle Dislocation)
- Dislocated Hip
- Disorder, Autism (Autism)
- Disorders That Disrupt Sleep (Parasomnias)
- Disorders, Thyroid (Thyroid FAQs)
- Disposing of Medication (Prescription Medicine)
- Distal Interphalangeal Arthropathy Arthritis (Psoriatic Arthritis)
- Diverticular Disease (Diverticulosis and Diverticulitis)
- Diverticular Diverticulitis IBS Irritable Bowel
- Diverticulitis vs Ulcerative Colitis UC
- Diverticulosis (Diverticulosis and Diverticulitis)
- Diverticulosis and Diverticulitis
- Diving Tips (Wilderness: Safe Diving and Wilderness Tips)
- Dizziness
