- Dandruff
- DAVF
- De Quervain'S Tenosynovitis
- Deep Vein Thrombosis (Dvt)
- Dehydration
- Delayed Ejaculation
- Delayed Sleep Phase
- Delirium
- Dementia
- Dengue Fever
- Depersonalization Disorder
- Dermatitis
- Dermatographia
- Dermatomyositis
- Desmoid Tumors
- Deviated Septum
- Diabetes
- Diabetes Insipidus
- Diabetic Coma
- Diabetic HHS
- Diabetic Ketoacidosis
- Diabetic Nephropathy
- Diabetic Neuropathy
- Diabetic Retinopathy
- Diamond Blackfan Anemia
- Diaper Rash
- Diarrhea
- Digeorge Syndrome
- Dilated Cardiomyopathy
- Diphtheria
- DISH Disease
- Dislocated Elbow
- Dislocated Shoulder
- Dislocation
- Dissociative Disorders
- Diverticulitis
- Dizziness
- Double Uterus
- Down Syndrome
- Dressler'S Syndrome
- Drug Addiction
- Drug Allergy
- Dry Eyes
- Dry Macular Degeneration
- Dry Mouth
- Dry Skin
- Dry Socket
- DSRCTs
- Ductal Carcinoma In Situ
- Dumping Syndrome
- Dupuytren'S Contracture
- Dust Allergy
- Dwarfism
- Dysarthria
- Dyshidrosis
- Dyslexia
- Dyspareunia
- Dysphagia
- Dysthymia
- Dystonia