Osteoarthritis (Generalised)

General Medicine

Degenerative joint disease with cartilage loss, osteophytes and joint-space narrowing; commonest in knees, hips, hands.

Risk factors

  • Age >50, female, obesity
  • Prior joint injury, occupation
  • Family history

History taking

  • Pain worse with activity, better with rest
  • Morning stiffness <30 min
  • Crepitus, instability

Examination

  • Bouchard / Heberden nodes
  • Joint-line tenderness, crepitus, ↓ROM

Red flags

  • Haemodynamic instability
  • Rapid deterioration
  • Severe pain or new neurological deficit

Differential diagnosis

  • See differentials section per chief complaint

Recommended investigations

  • Usually clinical
  • X-ray: joint space narrowing, osteophytes, subchondral cysts

Diagnosis

  • Clinical diagnosis supported by targeted investigations

Initial treatment / management

  • Exercise + weight loss are cornerstone
  • Topical NSAID first-line for hand/knee

Drug therapy

  • Paracetamol 1 g QDS
  • Topical diclofenac gel
  • Oral NSAID with PPI if needed
  • Intra-articular steroid for flares

Lifestyle advice

  • Quadriceps strengthening
  • Low-impact aerobic exercise
  • Footwear, walking aids

Follow-up advice

  • Review in 2–4 weeks or earlier if worsening
  • Monitor response to therapy and adverse effects

Patient counselling

  • Explain diagnosis and natural course in lay terms
  • Red-flag symptoms warranting urgent return
  • Adherence to medications and follow-up

Referral criteria

  • Orthopaedics if persistent severe pain or functional limitation

References

  • Harrison's Principles of Internal Medicine, 21e
  • NICE / WHO guidelines (current edition)

Educational outpatient guide — verify against local guidelines before clinical use.

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