Last updated: 02 October 2026
Arthritis – Symptoms, Types, Diagnosis and Treatment
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Arthritis – Symptoms, Types, Diagnosis and Treatment

 

Arthritis is a general term for a group of conditions that affect the joints and may cause pain, inflammation, swelling, stiffness and limited mobility. It can affect one or more joints, including the knees, hips, spine and others.

Among the most common types are osteoarthritis and rheumatoid arthritis. Each type of arthritis has different causes, characteristics and treatment approaches. Therefore, early diagnosis and regular medical follow-up are important for controlling the condition and reducing the risk of joint damage.

What Are the Types of Arthritis?

Arthritis includes a range of conditions that may develop for different reasons and affect the joints in different ways. The main types include:

  • Rheumatoid arthritis
  • Psoriatic arthritis
  • Reactive arthritis
  • Osteoarthritis
  • Septic arthritis
  • Gouty arthritis

 

Rheumatoid Arthritis

Rheumatoid arthritis is a chronic inflammatory condition in which the immune system attacks the body’s own tissues, including the joints. Without appropriate treatment, it may cause permanent joint damage and may also affect other organs and tissues.

Psoriatic Arthritis

Psoriatic arthritis is an inflammatory joint condition that may develop in people with psoriasis. It can affect one or more joints and cause pain, stiffness and swelling.

Reactive Arthritis

Reactive arthritis is inflammation of the joints that may occur after an infection elsewhere in the body. It most commonly affects the joints of the lower limbs, including the knees and ankles. In some cases, other symptoms may also occur, such as eye inflammation, lower back pain or urinary problems.

Osteoarthritis

Osteoarthritis is a condition associated with the gradual deterioration of joint cartilage. It may cause pain, stiffness, swelling and restricted movement.

Factors that may increase the risk of developing osteoarthritis include advancing age, excess body weight, excessive strain on the joints and hereditary predisposition.

Septic Arthritis

Septic arthritis is an infection of a joint caused by microorganisms, most commonly bacteria. The condition may progress rapidly and lead to serious joint damage. Therefore, early diagnosis and timely treatment are particularly important.

Gouty Arthritis

Gouty arthritis is associated with the accumulation of uric acid crystals in the joints. It commonly affects the joint of the big toe and may begin suddenly with severe pain, swelling and redness.

What Are the Symptoms of Arthritis?

Symptoms may vary depending on the type of arthritis and the joints affected. The most common symptoms include:

  • Joint pain
  • Swelling
  • Tenderness
  • Stiffness
  • Redness
  • Limited mobility
  • Joint deformities
  • Fatigue and weakness

Persistent pain, swelling, warmth around the joint, limited mobility or recurrent morning stiffness are symptoms that require medical evaluation.

How Is Arthritis Diagnosed?

Diagnosis begins with a medical examination and a detailed assessment of the patient’s symptoms. Depending on the condition, the doctor may request imaging tests such as X-ray, ultrasound or magnetic resonance imaging (MRI).

Laboratory tests may also be requested, including blood tests and uric acid testing when a particular type of arthritis is suspected.

The diagnosis is made based on the patient’s symptoms, physical examination findings, laboratory tests and imaging results.

How Is Arthritis Treated?

Treatment depends on the type of arthritis, the extent of joint involvement and the patient’s overall health.

Depending on the individual case, treatment may include:

Medication – to help relieve pain and reduce inflammation.

Physiotherapy and exercise – to help maintain joint mobility and strengthen the muscles.

Lifestyle changes – maintaining a healthy body weight, following a balanced diet and engaging in appropriate physical activity.

Surgical treatment – in cases of advanced joint damage, procedures such as joint replacement, arthroscopy or other surgical interventions may be considered.

The aim of treatment is to reduce pain and inflammation, preserve joint function and improve quality of life.

Frequently Asked Questions

What Is Arthritis?

Arthritis is a general term for a group of conditions that affect the joints and may cause pain, inflammation, swelling, stiffness and limited mobility.

What Causes Arthritis?

The causes depend on the specific type of arthritis. Possible factors include immune system disorders, age-related changes in the joints, infections, hereditary predisposition, excess body weight and excessive strain on the joints.

How Can Arthritis Pain Be Relieved?

The approach depends on the cause and type of arthritis. A doctor may recommend medication, physiotherapy, appropriate exercises and lifestyle changes.

Why Does Arthritis Develop in the Knee?

Knee arthritis is often associated with osteoarthritis. The risk may increase with age, excess body weight, previous knee injuries and hereditary predisposition.

What Is Hip Arthritis?

Hip arthritis may cause pain, stiffness and limited mobility. These symptoms can make everyday activities more difficult and affect quality of life.

If joint pain, swelling, stiffness or limited mobility persists, medical evaluation is recommended.