China 
Africa 
- Drug holiday
- Drug hypersensitivity
- Drug injection
- Drug instillation
- Drug interactions
- Drug intolerance
- Drug labeling
- Drug liking
- Drug metabolism
- Drug misuse
- Drug overdoses
- Drug packaging
- Drug prescription
- Drug recall
- Drug rehabilitation
- Drug repositioning
- Drug resistance
- Drug resistant epilepsy
- Drug resistant tuberculosis
- Drug response
- Drug safety
- Drug screening
- Drug seeking behavior
- Drug targeting
- Drug testing
- Drug tests
- Drug therapy
- Drug therapy problems
- Drug titration
- Drug tolerability
- Drug tolerance
- Drug toxicity
- Drug use
- Drug utilization review
- Drug withdrawal
- Drug-drug interactions
- Drug-eluting stent
- Drug-induced QT prolongation
- Drug-induced aseptic meningitis
- Drug-induced lupus erythematosus
- Drug-induced pigmentation
- Drug-induced psychosis
- DrugBank
- Druggability
- Drugs Controller General of India
- Drugs for Neglected Diseases Initiative
- Drugs of last resort
- Drunk
- Drunkorexia
- Drusen
- Dry cell
- Dry decontamination
- Dry deposition
- Dry drowning
- Dry eye
- Dry mouth
- Dry needling
- Dry powder inhaler
- Dry sex
- Dry skin
- Dry socket
- Dry toilet
- Dry water
- Dryness
- DsbA
- Dua's layer
- Dual Inheritance Theory
- Dual antiplatelet therapy
- Dual diagnosis
- Dual energy x-ray absorptiometry
- Dual loyalty
- Dual oxidase 2
- Dual process model of coping
- Dual process theory
- Dual specificity phosphatase
- Dual-specificity phosphatase
- Dual-task paradigm
- Dualism
- Duality
- Duane Retraction Syndrome
- Duane syndrome
- Duane-radial ray syndrome
- Dubin-Johnson syndrome
- Dubowitz syndrome
- Duchenne muscular dystrophy
- Duck
- Duck hepatitis B virus
- Duct ectasia
- Ductal carcinoma
- Duction
- Ductopenia
- Ductus arteriosus
- Ductus deferens
- Ductus venosus
- Duffy binding proteins
- Duffy blood group
- Duke Activity Status Index
- Dulaglutide
- Duloxetine
- Dumping syndrome
- Dunedin Multidisciplinary Health and Development Study
- Dunning-Kruger effect
- Duocarmycin
- Duodenal
- Duodenal atresia
- Duodenal bulb
- Duodenal cancer
- Duodenal cytochrome B
- Duodenal neoplasms
- Duodenal switch
- Duodenal ulcers
- Duodenitis
- Duodenojejunal flexure
- Duodenoscopy
- Dupilumab
- Duplex ultrasonography
- Dupuytren contracture
- Dupuytren's contracture
- Dura mater
- Duragesic
- Dural arteriovenous fistula
- Dural ectasia
- Durcupan
- Duret hemorrhage
- Durian
- Durvalumab
- Dust explosions
- Dust mites
- Dustiness
- Dutasteride
- Dutch hypothesis
- Duvelisib
- Dwarfism
- Dwell time
- Dxp reductoisomerase
- Dyadic Developmental Psychotherapy
- Dyclonine
- Dydrogesterone
- Dye
- Dyes
- Dying
- Dynactin
- Dynamic Tension
- Dynamic causal modeling
- Dynamic compression plate
- Dynamic contrast enhanced MRI
- Dynamic equilibrium
- Dynamic hip screw
- Dynamic light scattering
- Dynamic nuclear polarization