Radial Hemimelia see Hemimelia
Rasmussen's Encephalitis
Rasmussen's syndrome see Rasmussen's Encephalitis
Raynaud's Phenomenon
RE see Rasmussen's Encephalitis
Reading Disorders see Dyslexia
Recessive Spino-cerebellar Degeneration see Friedreich's Ataxia
Reflex Anoxic Seizures
Reflex Sympathetic Dystrophy
Refsum's disease see Ichthyosis
Reifenstein syndrome see Androgen Insensitivity syndrome
Relapsing Polychondritis
Renal Failure see Kidney disease
Rendu-Osler-Weber see Hereditary Haemorrhagic Telangiectasia
Respiratory Chain Disorders see Mitochondrial Cytopathies and related disorders
Respiratory Syncytial Virus see Lung diseases
Restricted Growth
Reticular Dysgenesis see Primary Immunodeficiencies
Retinal Dystrophy see Vision Disorders in Childhood
Retinitis Pigmentosa
Retinoblastoma
Retinopathy see Visual Impairment
Rett syndrome
Reye syndrome
Rheumatoid Arthritis see Arthritis (Adult)
Rheumatoid Arthritis see Arthritis (Juvenile Idiopathic)
Rhinitis see Allergies
Rhizomelic Chondrodysplasia Punctata see Restricted Growth
Right Atrial Isomerism see Ivemark syndrome
Riley-Day syndrome see Metabolic diseases
Riley-Smith syndrome see Bannayan-Riley-Ruvalcaba syndrome
Robin Anomalad see Pierre Robin syndrome
Rod Disorders see Vision Disorders in Childhood
Rod with Cone Disorders see Vision Disorders in Childhood
Romano-Ward syndrome see Long QT syndrome
Rosai-Dorfman disease see Histiocytosis
RSMD1 see Congenital Muscular Dystrophy
RSV see Lung diseases
Rubella
Rubella Panencephalitis see Encephalitis
Rubinstein Taybi syndrome
Russell-Silver syndrome see Silver-Russell syndrome
Russian spring-summer encephalitis see Arboviral Encephalitides
Ruvalcaba-Myhre-Smith syndrome see Bannayan-Riley-Ruvalcaba syndrome