Irritable Hip Syndrome, also known as the Toxic or Transient Synovitis, is a condition that affects the hip joint in children. It may affect any child between the age of 4-10 years and boys are more prone than girls. The condition is attributed to the infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।" data-rx-term="inflammation" data-rx-definition="Inflammation is the body’s response to injury, infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।">inflammation of the synovial membrane that lines and protects the joint. It generally does not cause any further complication.
Causes
- Viral infection that may occur in chest or digestive system
- Injury to the hip joint
- Bone fractures in the joint
- Infection in the upper respiratory tract
Symptoms
- Stiffness in the joint
- Severe pain in hip, knee, groin or leg
- The child may not want to put weight on the affected leg
- Limping and change in gait of the child
- Very young children may keep crying when the pain sets in
- Movement may be restricted
- Slight rise in body temperature
- The child may tend to hold the hip outwards, slightly bent away from the body
- pain when an area is touched or pressed. সহজ বাংলা: চাপ দিলে ব্যথা।" data-rx-term="tenderness" data-rx-definition="Tenderness means pain when an area is touched or pressed. সহজ বাংলা: চাপ দিলে ব্যথা।">Tenderness
- The condition may develop slowly with only one side of the joint being affected at first
- Muscle spasm
- Redness in the affected part of the leg
Diagnosis
- Analysis of the patient’s medical history and lifestyle besides the symptoms reported
- X-ray imaging
- Bone tests to check for bone growth and infections
- Blood tests
- MRI or CT scan
- Ultrasound test may help reveal fluid accumulation in the joint
- Aspiration in case fluid is present in the joint to check for infections
- Palpation to check for joint pain when an area is touched or pressed. সহজ বাংলা: চাপ দিলে ব্যথা।" data-rx-term="tenderness" data-rx-definition="Tenderness means pain when an area is touched or pressed. সহজ বাংলা: চাপ দিলে ব্যথা।">tenderness and locate the exact location of pain
- Log roll test- the whole joint is rotated outwards to see if there is any involuntary resistance by the supporting muscles (muscle guarding)
- Neurological tests may be conducted to rule out other causes such as developmental dysplasia of the hip joint
Treatment
- The patient is advised to rest and abstain from any strenuous activity for a couple of weeks
- Medication may be prescribed to relieve pain and swelling
- Application of heat pads relieves muscular stress
- Certain physical therapy exercises may improve blood flow and provide relief
- Traction (manual) may be applied to the affected leg to release stress from the joint. This is done by attaching weight bearing pulley to the leg and then stretching it.

