| Ia - Im |
| Jacquest Erythema (Diaper Rash or Jacquet Dermatitis) |
| Jacquet Dermatitis (Diaper Rash) |
| Jakob-Creutzfeldt Disease (Creutzfeldt-Jakob Disease) |
| Jaundice (Hyperbilirubinemia) |
| Jaundice in Pregnancy |
| Jet Lag (Desynchronosis, Circadian dysrhythmia) |
| Job Stress (Health and the Workplace) |
| Jock Itch (Tinea cruris) |
| Joint Aspiration (arthrocentesis (Joint Drainage)) |
| Joint Hypermobility Syndrome (Hypermobility Syndrome) |
| Joint Inflammation (Arthritis) |
| Joint Injection (Cortisone Injection) |
| Joint Pain (Arthritis) |
| Joint Replacement of Hip (Total Hip Replacement) |
| Joint Replacement of Knee (Total Knee Replacement) |
| Joint Replacement Surgery Of The Hand |
| Joint Tap (Joint Aspiration) |
| JRA (Juvenile Arthritis) |
| Jumpers Knee (Knee Bursitis) |
| Juvenile Arthritis |
| Juvenile Bone Health |
| Juvenile Diabetes (Diabetes Mellitus) |
