Frozen Shoulder and Perimenopause: Why It Happens and How to Treat It
Frozen shoulder is significantly more common during perimenopause. This guide explains the hormonal link, stages of the condition, and treatment options.
What Is Frozen Shoulder
Frozen shoulder, medically known as adhesive capsulitis, is a painful condition in which the capsule of connective tissue surrounding the shoulder joint becomes inflamed and then tightens. Over weeks and months, bands of scar tissue called adhesions form within the capsule, progressively restricting movement. The condition typically passes through three stages. The freezing stage involves worsening pain and the beginning of stiffness, lasting three to nine months. The frozen stage involves less pain but severe restriction of movement, lasting four to twelve months. The thawing stage is a gradual return of movement over one to three years. Total duration can range from one to four years, making it one of the more disruptive musculoskeletal conditions a woman can experience. Without treatment, some degree of permanent stiffness may remain in a minority of cases.
The Strong Link Between Perimenopause and Frozen Shoulder
Frozen shoulder is two to four times more common in women than men, and the peak incidence in women is between ages 40 and 60, which aligns closely with the perimenopause window. Several mechanisms are proposed. Estrogen receptors are found in the shoulder capsule, and declining estrogen during perimenopause may alter the regulation of inflammatory processes and collagen turnover in the joint capsule. Collagen quality changes with estrogen loss throughout the body, and the shoulder capsule is particularly susceptible to fibrosis when collagen metabolism is disrupted. Women with diabetes are at higher risk of frozen shoulder, and insulin resistance, which increases during perimenopause, may be a contributing pathway. Thyroid disease, also more common in perimenopausal women, is another recognised risk factor. Many women are not aware of this hormonal connection and spend months seeking treatment before anyone links the timing to perimenopause.
Diagnosing Frozen Shoulder
Diagnosis is primarily clinical. Your doctor or physiotherapist will test the range of movement in your shoulder in multiple directions, specifically looking for restriction in external rotation (rotating the arm outward with the elbow bent), which is the most characteristic feature of frozen shoulder. Pain is typically felt in the outer upper arm rather than localised to the shoulder tip. An MRI or ultrasound is not usually required to diagnose adhesive capsulitis but may be ordered to rule out other conditions such as a rotator cuff tear, calcific tendinitis, or labral pathology that can cause similar symptoms. Blood tests to check thyroid function, blood glucose, and inflammatory markers are worth requesting, both to rule out secondary causes and because managing underlying conditions like diabetes and thyroid disease improves outcomes from frozen shoulder treatment.
Treatment in the Freezing Stage
Early treatment focuses on pain control and preventing further capsular contraction. NSAIDs such as ibuprofen or naproxen reduce inflammation and pain and are most effective when taken regularly in the early freezing stage rather than only when pain peaks. Corticosteroid injections into the joint or surrounding bursa provide significant short-term pain relief and may slow the progression to full freezing. Evidence supports injections being most effective in the first six months of symptoms. Physiotherapy in the freezing stage emphasises maintaining whatever range of movement is available without forcing through pain. Aggressive stretching during the freezing stage can worsen inflammation and is generally not recommended at this point. Heat before movement and ice after activity are standard adjuncts. Sleep position matters significantly as lying on the affected shoulder dramatically increases pain. A body pillow to support the arm in a neutral position overnight can help.
Treatment in the Frozen and Thawing Stages
Once pain begins to subside and the shoulder enters the frozen phase, physiotherapy becomes more active. Stretching and mobilisation exercises are introduced progressively, targeting external rotation, internal rotation, and overhead reach. A physiotherapist will guide the intensity to stay within tolerable pain limits. Hydrodilatation, a procedure in which sterile fluid is injected under ultrasound guidance to distend the joint capsule, can provide significant improvement and is available at many NHS and private musculoskeletal services. Manipulation under anaesthesia, where the shoulder is gently forced through its range of motion while the patient is sedated, is less commonly used now that hydrodilatation is available. Arthroscopic capsular release, surgical division of the tight capsule, is reserved for cases that have not responded to conservative treatment after 12 to 18 months. Most women recover well with physiotherapy and injection treatment, though patience is required.
HRT and Recovery From Frozen Shoulder
Some clinicians and researchers have proposed that HRT may influence the course of frozen shoulder in perimenopausal women by restoring the estrogen environment of the shoulder capsule and reducing the inflammatory and fibrotic response. Formal clinical trials are limited, but observational data and clinical experience suggest that women on HRT tend to have better musculoskeletal outcomes generally, with less joint pain and stiffness. If you develop frozen shoulder during perimenopause and HRT is appropriate for you, discussing whether to start or continue it as part of your overall management plan is reasonable. Separately, managing any underlying diabetes or thyroid disease aggressively will improve frozen shoulder prognosis. The key message is that frozen shoulder during perimenopause is rarely just bad luck. It is a condition with identifiable hormonal and metabolic drivers, and addressing those drivers alongside targeted physiotherapy gives the best chance of a good recovery.
Related reading
Get your personalized daily plan
Track symptoms, match workouts to your day type, and build a routine that adapts with you through every phase of perimenopause.