Septic Arthritis

What is septic arthritis?

Septic arthritis is an infection of a joint and can occur at any age. If bacteria enter the joint, it can become infected, leading to septic arthritis. The most commonly affected joints are the knee, hip, and shoulder, and in some cases, more than one joint may be affected simultaneously. Although septic arthritis is rare, it requires immediate treatment to prevent long-term complications. The main causes include bacteria entering the joint via the bloodstream, following an injury, or during an operation.

  • Joint injections or surgeries – procedures that may introduce bacteria into the joint.
  • Weakened immune system – conditions like diabetes, HIV, or medications that suppress immunity.
  • Pre-existing joint problems – such as rheumatoid arthritis or osteoarthritis, which increase susceptibility.
  • Skin infections – bacteria from nearby infections can spread to a joint.
  • Recent infections elsewhere – for example, urinary tract or respiratory infections that enter the bloodstream.

Medical treatment for septic arthritis typically includes antibiotics and, in many cases, draining the joint to remove the infection and prevent it from spreading elsewhere in the body. In rare instances, part or all of the joint may need to be replaced with prosthetic material.

After treatment for septic arthritis, you may need to be inactive for a period while you recover. It is important to begin rehabilitation as soon as possible, and physiotherapy is an effective way to support your recovery and help you return to your normal daily activities. At acephysiosports.com, our specialist physiotherapists have extensive experience in creating rehabilitation programmes for individuals recovering from septic arthritis.

What are the symptoms of septic arthritis?

Septic arthritis can cause a variety of symptoms, and your physiotherapy programme at acephysiosports.com will be tailored to address your primary concerns. Physiotherapy is particularly beneficial because it often targets multiple symptoms simultaneously, helping to facilitate your recovery.

  • Severe joint pain – often sudden in onset and concentrated in the affected joint.
  • Swelling – the joint may appear visibly enlarged.
  • Redness and warmth – around the affected joint due to inflammation.
  • Limited range of motion – difficulty moving the joint normally.
  • Fever and chills – signs of systemic infection.
  • Fatigue – feeling unusually tired or unwell.
  • General malaise – a feeling of discomfort or unease throughout the body.

How is septic arthritis diagnosed?

A diagnosis of septic arthritis usually requires several tests along with a comprehensive physical assessment of your signs and symptoms. It is beneficial to see your physiotherapist soon after your diagnosis to maximise recovery and prevent long-term complications.

  • Physical examination – assessing joint swelling, tenderness, and range of motion.
  • Blood tests – to check for markers of infection and inflammation (e.g., white blood cell count, CRP, ESR).
  • Joint aspiration (arthrocentesis) – removing fluid from the affected joint to test for bacteria and infection.
  • Imaging tests – such as X-rays, MRI, or ultrasound to detect joint damage or inflammation.
  • Medical history review – evaluating recent infections, injuries, or surgeries that may have triggered the condition.

How will physiotherapy help with septic arthritis?

Physiotherapy after septic arthritis helps to strengthen the affected joint and surrounding muscles, which may have weakened during periods of inactivity. It also supports a paced recovery, enabling you to return to your normal daily activities as safely and quickly as possible. At acephysiosports.com, your physiotherapist will create a personalised rehabilitation programme tailored to your specific needs and goals.

  • Joint strengthening – rebuilding muscle support around the affected joint.
  • Improved joint mobility – restoring range of motion and flexibility.
  • Pain reduction – using targeted exercises and gentle techniques to minimise discomfort.
  • Posture and movement training – correcting movement patterns to reduce strain on joints.
  • Gradual return to daily activities – helping you regain independence safely.
  • Energy and fatigue management – pacing activity to prevent overexertion.
  • Education and self-management – teaching strategies to prevent reinjury and manage symptoms effectively.

What physiotherapy will be used for septic arthritis?

The physiotherapy you receive will depend on your symptoms and the severity of your septic arthritis. At acephysiosports.com, your physiotherapist will encourage you to take an active role in your rehabilitation, and your programme will be tailored to your personal goals.

  • Range of motion exercises – to restore flexibility in the affected joint.
  • Strengthening exercises – to rebuild muscle support around the joint.
  • Manual therapy – hands-on techniques to reduce stiffness and improve mobility.
  • Posture and movement training – correcting alignment and movement patterns to prevent strain.
  • Low-impact aerobic exercises – such as swimming or cycling to maintain fitness without stressing the joint.
  • Hydrotherapy – gentle exercises in water to reduce joint load while improving mobility.
  • Education and self-management – guidance on activity pacing, flare-up management, and safe exercise routines.

Summary

Septic arthritis is an infection of one or more joints caused by bacteria and can occur for several reasons. Treatment typically involves a course of antibiotics and draining infected fluid from the joint. Following treatment, it is important to begin a comprehensive rehabilitation programme to prevent long-term complications. Physiotherapy is highly effective in maximising recovery from septic arthritis and helping you return to a normal, active lifestyle. At acephysiosports.com, our specialist physiotherapists can create a personalised programme to meet your needs. To book an appointment, call us today on +65 81535374 or schedule your session online.

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