Frozen shoulder causes stiffness and reduced motion in the shoulder joint capsule. Pain and limitation of arm movements are the most noticeable complaints. Information here is general — seek clinical assessment for individual concerns. If severe sudden pain, fever, redness, or other urgent signs occur, contact emergency services.
What is frozen shoulder and who is affected?
Frozen shoulder (adhesive capsulitis) involves thickening and tightening of the shoulder joint capsule, which restricts range of motion. It is more common in middle-aged adults. Risk factors include diabetes, prolonged immobilization after injury or surgery, and some systemic conditions; in many cases a clear cause is not identified. Clinically the condition is often described in three phases: freezing (increasing pain and stiffness), frozen (marked stiffness with less pain), and thawing (gradual recovery of motion).
Symptoms — what to watch for
Typical complaints are progressive loss of shoulder movement and pain, especially when raising the arm, reaching behind, or performing daily tasks. Pain frequently worsens at night. Both active (patient-initiated) and passive (examiner-assisted) motion can be limited. Symptoms usually develop gradually rather than abruptly.
Assessment and which specialists to consult
Diagnosis is usually based on clinical examination, with the clinician assessing range of motion and pain patterns. Imaging such as X-ray, ultrasound, or MRI may be used to exclude other causes (for example arthritis or rotator cuff disease). Initial referral is commonly to Orthopedics (Orthopaedic Surgery) or Physical Medicine & Rehabilitation; rheumatology or a multidisciplinary physiatry/therapy team may also be involved when needed.
Daily living, rehabilitation, and when to seek help
Complete rest can increase stiffness, so guided exercise and structured rehabilitation programs under professional direction are often recommended to preserve function. If pain significantly limits daily activities or mobility, arrange specialist assessment. Urgent evaluation is appropriate for sudden severe pain, fever, skin redness around the joint, or rapidly worsening symptoms after trauma.
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