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Osteoarthritis

Osteoarthritis is a whole-joint disorder affecting cartilage, bone and surrounding tissues. It commonly involves knees, hips, hands and the spine, and is not simply normal aging.

At a glance

Quick facts

Category
Musculoskeletal disorders
What it is
Osteoarthritis is a whole-joint disorder affecting cartilage, bone and surrounding tissues.
Typical presentation
Activity-related joint pain, short-lived stiffness after rest and gradually reduced mobility are typical; symptoms and X-ray changes do not always correlate.
Assessment
Clinical history and examination often establish the diagnosis.
Treatment approach
Exercise and strengthening, weight management when relevant, selected analgesics, supports and sometimes joint replacement are management options.
Key safety concern
A suddenly hot swollen joint, fever or major inability to bear weight warrants assessment for another diagnosis.

Names & terminology

Understanding the name

Osteoarthritis is a whole-joint disorder affecting cartilage, bone and surrounding tissues. It commonly involves knees, hips, hands and the spine, and is not simply normal aging.

Clinical reference

Clinical profile

Summary
CategoryMusculoskeletal disorders
What it isOsteoarthritis is a whole-joint disorder affecting cartilage, bone and surrounding tissues.
Typical presentationActivity-related joint pain, short-lived stiffness after rest and gradually reduced mobility are typical; symptoms and X-ray changes do not always correlate.
AssessmentClinical history and examination often establish the diagnosis.
Treatment approachExercise and strengthening, weight management when relevant, selected analgesics, supports and sometimes joint replacement are management options.
Key safety concernA suddenly hot swollen joint, fever or major inability to bear weight warrants assessment for another diagnosis.

Overview

Osteoarthritis is a whole-joint disorder affecting cartilage, bone and surrounding tissues. It commonly involves knees, hips, hands and the spine, and is not simply normal aging.

Symptoms and presentation

Activity-related joint pain, short-lived stiffness after rest and gradually reduced mobility are typical; symptoms and X-ray changes do not always correlate.

CLINICAL FEATURES

Presentation and warning signs

The pattern varies and cannot replace an individual assessment.

Clinical overview
Presentation
  • Activity-related joint pain
  • short-lived stiffness after rest and gradually reduced mobility are typical
  • symptoms and X-ray changes do not always correlate
Clinical assessment
  • Clinical history and examination often establish the diagnosis
  • Interpret results with history and examination
When to seek urgent care
  • A suddenly hot swollen joint, fever or major inability to bear weight warrants assessment for another diagnosis.

Emergency symptoms and clinical severity should be assessed locally.

Clinical assessment and diagnosis

Clinical history and examination often establish the diagnosis. Imaging may be appropriate for uncertainty, atypical symptoms or planning treatment.

ASSESSMENT

How the clinical assessment proceeds

Exact investigations depend on the clinical context.

Clinical workflow
1Define the symptom patternActivity-related joint pain, short-lived stiffness after rest and gradually reduced mobility are typical; symptoms and X-ray changes do not always correlate.
2Assess disease or alternative causesClinical history and examination often establish the diagnosis. Imaging may be appropriate for uncertainty, atypical symptoms or planning treatment.
3Discuss care and monitoringExercise and strengthening, weight management when relevant, selected analgesics, supports and sometimes joint replacement are management options.

Treatment and management

Exercise and strengthening, weight management when relevant, selected analgesics, supports and sometimes joint replacement are management options.

Treatment & care hub

Elements of care

Individual treatment is based on diagnosis, comorbidities and clinician assessment.

Management overview
Confirm diagnosisFirst step

Understand the underlying condition

Clinical history and examination often establish the diagnosis. Imaging may be appropriate for uncertainty, atypical symptoms or planning treatment.

Tailor treatmentIndividualized

Choose evidence-based management

Exercise and strengthening, weight management when relevant, selected analgesics, supports and sometimes joint replacement are management options.

Monitor safetyImportant

Recognize warning signs

A suddenly hot swollen joint, fever or major inability to bear weight warrants assessment for another diagnosis.

Diagnosis→Tailored care→Monitoring

Complications and when to seek help

A suddenly hot swollen joint, fever or major inability to bear weight warrants assessment for another diagnosis.

EVIDENCE AND DATA

Interpreting population statistics

Comparable, disease-specific prevalence or incidence data have not yet been curated for this entry. No prevalence estimate is supplied.

MedlinePlus Health Topics ↗
Data availabilityNot quantifiedUse condition-specific epidemiology, not estimated figures
No unsupported regional or country comparison is presented.

Frequently asked questions

What is Osteoarthritis?

Osteoarthritis is a whole-joint disorder affecting cartilage, bone and surrounding tissues. It commonly involves knees, hips, hands and the spine, and is not simply normal aging.

How is it assessed?

Clinical history and examination often establish the diagnosis. Imaging may be appropriate for uncertainty, atypical symptoms or planning treatment.

When should I seek urgent help?

A suddenly hot swollen joint, fever or major inability to bear weight warrants assessment for another diagnosis.

Sources

  1. MedlinePlus, US National Library of Medicine — Osteoarthritis — health topic ↗

This is an editorial evidence summary awaiting independent clinician review. It is not a diagnosis, a treatment plan, or a substitute for personalized medical care.