DE
- Decubitus ulcers (See: Bedsores)
- Degenerative arthritis (See: Osteoarthritis)
- Dementia, frontotemporal (See: Frontotemporal dementia)
- Dementia, vascular (See: Vascular dementia)
- Dental caries (See: Cavities or tooth decay)
- Depression, postpartum (See: Postpartum depression)
- Dermatitis, scratch (See: Neurodermatitis)
- Dermatitis, seborrheic (See: Seborrheic dermatitis)
- Dermatographism (See: Dermatographia)
DI
- Diabetes (See: Type 2 diabetes in children)
- Diabetes insipidus
- Diabetes mellitus type 2 (See: Type 2 diabetes)
- Diabetes, type 1 (See: Type 1 diabetes)
- Diabetes, type 1 in children (See: Type 1 diabetes in children)
- Diabetic foot
- Diabetic wound (See: Diabetic foot)
- Diarrhea, antibiotic-associated (See: Antibiotic-associated diarrhea)
- Diffuse idiopathic skeletal hyperostosis
- Diffuse parenchymal lung disease (See: Interstitial lung disease)
- Disc Herniation, Slipped disk (See: Herniated disk)
- DISH (See: Diffuse idiopathic skeletal hyperostosis)
DR
- Dry socket (See: Alveolar osteitis)
DU
- Duodenal ulcer (See: Peptic ulcer)
- Dupuytren contracture
DV
- DVT (See: Deep vein thrombosis)
DY
- Dyspareunia (See: Painful intercourse)
- Dyspepsia (see: Indigestion)
- Dysphonia (See: Hoarseness)
- Dystonia
