Rabies@
Raynaud's Phenomenon@
Reactive Arthritis@
Reaven's Syndrome@
Reflex Sympathetic Dystrophy@
Reflux - GERD@
Refsum's Disease@
Reiter's Syndrome@
Relapsing Fever@
Renal Agenesis@
Repetitive Strain Injuries@
Respiratory Syncytial Virus@
Restless Leg Syndrome@
Retinal Detachment@

Retinal Migraine@
Retinitis Pigmentosa@
Retinoblastoma@
Retinopathy of Prematurity@
Rett Syndrome@
Reye's Syndrome@
Rheumatic Fever@
Rheumatoid Arthritis@
Rhinitis@
Rib-Gap Syndrome@
Rickets@
Rickettsialpox@
Riley-Day Syndrome@
Ringworm@

River Blindness@
Robinow Syndrome@
Rocky Mountain Spotted Fever@
Romberg's Syndrome@
Rosacea@
Rotator Cuff Injury@
Rubella@
Rubeola@
Rubinstein-Taybi Syndrome@
Runner's Knee@
Ruptured Disk@
Russell Silver Syndrome@