Pain when you reach, dress, or lie on that side?
Every painful shoulder has a reason.
Most shoulder pain doesn't arrive with a clean label. It just starts: dressing becomes awkward, sleep gets fragmented because you can't lie on that side, reaching for the seatbelt or a high shelf catches you out. Knowing whether you have frozen shoulder, rotator cuff tendinopathy, bursitis or arthritic change matters, because each responds to different care.
At the Skin & Joint Injection Clinic in Bebington, Wirral, we assess shoulder pain in person, including a careful history, examination and, where it helps, ultrasound to look at the tendons and bursa. The recommendation that follows is matched to what we find, not assumed in advance.
These are the patterns of shoulder pain we most commonly assess. The list isn't diagnostic: your consultation works out which (if any) fits your symptoms.
Hover or tap the points on the circle to explore each pattern.
The shoulder packs the rotator cuff tendons, the subacromial bursa, the main joint and the small AC joint into a very small space. An injection only helps if it reaches the structure that's actually causing the pain.
That's why ultrasound is used during the procedure to guide the needle accurately, so the treatment is placed where it's needed rather than where it's hoped to land.
The acromioclavicular (AC) joint is where the collarbone meets the top of the shoulder blade: the bony bump you can feel on top of your shoulder. AC joint osteoarthritis causes localised pain at that bump, worse with cross-body movement and contact sports.
It's the joint you notice when you reach across for a seatbelt, fold your arms, put on a coat or lie on that side. Because the joint is small and sits just under the skin, accuracy matters, and ultrasound lets us see the joint line and place an injection precisely within it.
Patterns of pain matter as much as imaging. Below are the routes we most often discuss for shoulder problems. Final recommendation always follows in-person assessment.
Frozen shoulder in the painful 'freezing' phase, with severe night pain limiting sleep and rehabilitation.
Targeted into the glenohumeral joint, used to settle severe pain enough to allow physiotherapy to progress. Often a turning point in the early phase of the condition.
Read more about steroid injection →Subacromial bursitis or rotator cuff tendinopathy with catching pain and night ache.
Ultrasound guidance into the subacromial bursa or around the affected tendon, where targeted placement makes a meaningful difference compared with blind injection.
Read more about steroid injection →Glenohumeral osteoarthritis where a non-steroid route is preferred, particularly if steroid injections have lost effect.
Considered for arthritic shoulder pain where the joint surface is the driver. Suitable for patients with diabetes and those wishing to avoid repeated corticosteroids.
Read more about Ostenil Plus →Chronic rotator cuff tendinopathy that hasn't progressed with rehabilitation and steroid injection.
An autologous regenerative option for chronic tendon problems where conventional approaches have plateaued. Considered after careful structural assessment on ultrasound.
Read more about PRF →AC joint osteoarthritis: pain on the bump at the top of the shoulder, worse reaching across the body or lifting overhead.
A small-volume steroid injection placed precisely into the acromioclavicular joint under ultrasound guidance. Settling the joint can ease pain enough to get back to strengthening and overhead activity, and a good response also helps confirm the AC joint as the source of the pain. Where arthritis in the joint is the driver and steroid is best avoided, a hyaluronic acid option may be discussed.
Read more about steroid injection →Treatments are considered after clinical assessment. We do not offer or recommend injection therapy without first confirming the diagnosis and screening for contraindications.
For a shoulder, an injection is usually the step that makes physiotherapy possible, not a replacement for it.
An in-person consultation: history, examination and, where it helps, ultrasound of the tendons, bursa and joints.
Where it's the right option, a targeted ultrasound-guided injection calms night pain and inflammation enough for rehabilitation to start, or to progress where it had stalled.
Structured physiotherapy restores range and rebuilds the rotator cuff and shoulder-blade muscles, so reaching, dressing, sleeping on that side and lifting overhead come back, with onward referral when surgery is the right conversation.
Frozen shoulder typically runs its course over 12 to 24 months without treatment, moving through painful, frozen and thawing phases. A well-timed steroid injection during the painful phase, combined with structured physiotherapy, often shortens this timeline and reduces the night pain that disrupts everyday life.
Phases overlap and vary from person to person.
Clinical examination and a clear history are usually enough to plan the right injection. Ultrasound is then used during the procedure to guide the needle. MRI is occasionally helpful when the diagnosis is unclear, surgery is being considered, or a significant rotator cuff tear is suspected.
Our GP-led clinic in Higher Bebington serves patients from across Merseyside: Liverpool, Birkenhead, Heswall and Chester. We assess in person before any treatment is offered, and refer onward when it's the right call.
The questions patients most often raise in clinic when they're not sure which next step is right.
Night pain in the shoulder commonly reflects subacromial bursitis, rotator cuff tendinopathy, frozen shoulder or AC joint osteoarthritis. Each behaves differently and responds to different treatment. The pattern of what brings the pain on, what eases it, and how it has changed over time is more useful than any single test for working out which is in play.
Frozen shoulder typically runs its course over 12 to 24 months without treatment, moving through painful, frozen and thawing phases. A well-timed steroid injection during the painful phase, combined with structured physiotherapy, often shortens this timeline and reduces the night pain that disrupts everyday life.
Often not. Clinical examination and a clear history of how the symptoms started and behave are usually enough to plan the right injection. An ultrasound is often used during the procedure itself to guide the needle accurately. MRI is occasionally helpful when the diagnosis is unclear, when surgery is being considered, or when a significant rotator cuff tear is suspected.
An injection won't repair a torn tendon. Where rotator cuff tears are partial and the patient isn't a surgical candidate, a steroid injection can reduce associated bursitis and pain enough to support rehabilitation. Larger or full-thickness tears in patients who want full function back are usually a surgical conversation, and we refer onward when that's the right path.
Yes, where the assessment points to the AC joint as the source of pain. It's a small, shallow joint, so the injection is placed under ultrasound guidance to make sure it goes into the joint itself. As with any injection, it works best alongside exercises that strengthen and support the shoulder, and we discuss the realistic benefit and alternatives first.
