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Frozen Shoulder Treatment

Frozen shoulder phases and treatment: cortisone, physiotherapy, hydrodilatation and surgery, and what the UK FROST trial found.

Medically reviewed by Dr James Bristol, MD, PhD · Updated 2026-11-15

On this pageTreatmentThe three phasesWho gets itTreatment optionsSleeping tips

Frozen shoulder (adhesive capsulitis) makes the shoulder stiff and painful in every direction and usually goes through freezing, frozen and thawing phases over 1 to 3 years. It is more common in people with diabetes. A large UK trial (UK FROST, 2020) found early structured physiotherapy, manipulation under anaesthetic and keyhole capsular release gave similar results, with physiotherapy the least invasive.

Treatment

Tendon pain for more than 3 months? Get the free guide and a doctor review of your scan.

The three phases

PhaseTypical lengthMain feature
Freezing2 to 9 monthsIncreasing pain, especially at night
Frozen4 to 12 monthsStiffness, less pain
Thawing6 months to 2 yearsMovement returns

Who gets it

Most often people aged 40 to 60, women more than men, and people with diabetes or thyroid disease.

Treatment options

  1. Regenerative injection to calm the inflamed capsule and surrounding tissues, without surgery
  2. Cortisone into the joint in the painful phase
  3. Physiotherapy within comfort
  4. Hydrodilatation
  5. Manipulation under anaesthetic or capsular release for persistent cases

Tendon pain for more than 3 months? Get the free guide and a doctor review of your scan.

Sleeping tips

Lie on the other side hugging a pillow, or on your back with a pillow supporting the arm.

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