Calcific tendinopathy is a deposit of calcium within a rotator cuff tendon, and it is a self-limiting condition in most cases: the body reabsorbs the deposit on its own, though that can take one to three years. The severe, sudden pain that brings people to A&E is the resorptive phase, which means the deposit is dissolving rather than getting worse. The size of the deposit on the scan does not predict how much it hurts, and removing it is rarely the first answer.
Where shoulder pain is longer-standing and no deposit has been found, the broader picture is set out in PhysioHub’s guide to rotator cuff related shoulder pain.
Ranked by where each sits in a sensible treatment sequence, from least to most invasive.
| Option | Best for | Invasiveness | Timeframe |
|---|---|---|---|
| 1. Time, pain control and load management | Everyone, and especially anyone in the acute resorptive phase | None | Weeks for the acute phase, months to years for full resolution |
| 2. Physiotherapy and loading | Everyone once the acute phase settles | None | 3 to 6 months |
| 3. Shockwave therapy | Persistent symptoms after conservative care | Low, no needles | 3 to 5 sessions over a few weeks |
| 4. Ultrasound-guided barbotage | Large deposits with persistent severe pain | Moderate, needle procedure | Single procedure, weeks to settle |
| 5. Surgery | The small number who fail everything above | High | Months of recovery |
The ranking follows the natural history. This condition resolves by itself in most people, so the first question is what the shoulder needs to get through it rather than how the deposit can be removed.
This is a documentary review of published evidence rather than a treatment plan for your shoulder. The five options were ranked by invasiveness and by where each sits in the treatment sequence described in specialist practice, rather than by effect size alone.
The sources read were a clinical review of calcific tendinopathy of the shoulder covering the phases and natural history; a systematic review of ultrasound-guided barbotage including 908 patients; and a 2024 systematic review and meta-analysis of extracorporeal shockwave therapy for upper limb tendinopathy. Evidence checked in August 2026.
Two honest limitations. Comparative evidence between shockwave and barbotage is limited, so the ordering between options three and four reflects invasiveness rather than a demonstrated difference in effectiveness. And the barbotage review itself noted an absence of evidence comparing it against other major treatments.
No treatment costs are quoted here, because prices were not verified for this review. PhysioHub’s shockwave therapy cost guide covers that separately.
The formative phase is when calcium is deposited in the tendon. It is often silent, and deposits are frequently found by chance on scans done for something else.
The resting phase can last months or years. The deposit is stable and chalky, and symptoms range from nothing to a background ache with some catching overhead.
The resorptive phase is when the body actively breaks the deposit down. It is by far the most painful, often sudden, sometimes severe enough that people attend A&E, and the shoulder can be almost unusable for days to a couple of weeks.
The counterintuitive part is that the resorptive phase is the resolution, not a deterioration. The deposit is softening and being reabsorbed, and once it passes, symptoms usually settle substantially. Knowing which phase you are in changes what the sensible next step is more than anything else on this page.
Deposit size does not predict pain. Large deposits found incidentally cause nothing in plenty of people, and small deposits in the resorptive phase can be agonising, which is why treating the image rather than the symptoms leads people astray.
What it is
Managing symptoms while the body does the work, using pain relief, relative rest from provocative positions, and keeping the shoulder moving through a comfortable range.
Who it suits
Everyone, and particularly anyone in the acute resorptive phase, when the shoulder is too painful for any meaningful loading.
What it involves
Anti-inflammatories or other pain relief discussed with a pharmacist or GP, avoiding sustained overhead work, and gentle pendulum and range-of-movement exercises several times a day so the shoulder does not stiffen. Ice often helps in the acute phase. A sling for comfort in the worst few days is reasonable, and it should not be worn beyond that.
What the evidence supports
Calcific tendinopathy is described in the clinical literature as self-limiting, with spontaneous resorption and resolution of symptoms expected in many cases, though the process can take one to three years to complete.
Limits and cautions
One to three years is the honest range for full radiographic resolution, and most people are far more comfortable long before the deposit has gone. The real risk in this phase is a stiff shoulder from immobilisation, which becomes a second and more stubborn problem than the original one.
Why it ranks first
It carries no risk, it works for most people, and every option below it should be considered only once this has been given a fair chance.
What it is
Restoring range and then progressively loading the rotator cuff and the muscles that position the shoulder blade.
Who it suits
Everyone once the acute phase has settled enough to move the arm, and anyone in the resting phase with ongoing catching or weakness.
What it involves
Range of movement work first, then isometric cuff work, then progressive resistance through increasing range, adding overhead loading last. Scapular control work alongside it. Three to six months is a realistic timeframe.
What the evidence supports
Loading does not dissolve a calcium deposit, and it addresses what actually limits the shoulder, which is the strength and control of a cuff that has been guarded and unused for months. That is why symptoms frequently resolve well before the deposit does.
Limits and cautions
Pushing hard into painful overhead range during the resorptive phase is counterproductive. The programme is paced to the phase, and the same exercises that help in the resting phase are intolerable during resorption.
Why it ranks second
It treats the functional consequences of the condition, which is the part that persists after the deposit has gone, and it prepares the shoulder to be usable again rather than merely less painful.
What it is
High-energy acoustic waves delivered through the skin to the deposit, intended to fragment it and to stimulate the local blood supply and healing response.
Who it suits
People whose symptoms have persisted despite several months of conservative treatment, with a deposit confirmed on ultrasound or X-ray.
What it involves
Typically three to five sessions a week or two apart, each lasting a few minutes. It is uncomfortable during treatment and the shoulder is often sore for a day or two afterwards. Loading exercises continue alongside it.
What the evidence supports
Calcific tendinopathy is one of the stronger indications for shockwave across all its uses. A 2024 systematic review and meta-analysis of upper limb tendinopathy supports its use, and focused shockwave has better evidence here than the radial form. Success rates reported in reviews of calcific shoulders are high, and the trials vary considerably in protocol and quality.
Limits and cautions
It is not appropriate during pregnancy, over an area of infection, or for people on anticoagulants without specific advice. It works best alongside a loading programme rather than instead of one, which is the same conclusion reached in the broader review of what shockwave does and does not do.
Why it ranks third
It is the first option that actively targets the deposit, it involves no needles and no anaesthetic, and it belongs after conservative care rather than before it.
What it is
A needle procedure done under ultrasound guidance in which the deposit is punctured to break it up, then flushed with saline so the fragments can be aspirated out. It is also called needling and lavage.
Who it suits
People with a large, well-defined deposit and persistent severe pain that has not responded to the options above.
What it involves
Local anaesthetic, then ultrasound-guided needling and lavage, usually taking 20 to 30 minutes as an outpatient. A corticosteroid injection into the bursa is often given at the same time. The shoulder is commonly sore for several days afterwards, and rehabilitation follows.
What the evidence supports
A systematic review including 908 patients found barbotage to be a safe technique with a high success rate and a low complication rate. The same review was explicit that there was no evidence comparing its effectiveness against other major treatment options, which is the honest position on where it sits relative to shockwave.
Limits and cautions
It depends heavily on operator skill and on the deposit being suitable: soft, chalky deposits in the resorptive phase aspirate readily, while hard, well-organised ones often do not. Access on the NHS varies considerably by area.
Why it ranks fourth
It directly removes the deposit and it is invasive, so it belongs after the non-invasive options have been tried rather than as a first response to a scan report.
What it is
Arthroscopic removal of the deposit, sometimes with repair of the tendon if a defect is left behind.
Who it suits
A small minority: people with severe, persistent symptoms after a genuine trial of everything above, usually over a year or more.
What it involves
Day-case keyhole surgery, followed by a structured rehabilitation programme. Recovery to full function is measured in months rather than weeks, and the rehabilitation is a substantial part of the outcome.
What the evidence supports
Surgery is consistently positioned as a last resort in the clinical literature on this condition, precisely because the natural history is favourable and most people improve without it. Its role is limited rather than absent.
Limits and cautions
Removing the deposit can leave a tendon defect requiring repair, which lengthens recovery considerably. Post-operative stiffness is a genuine risk. Both are reasons this sits at the bottom of the list rather than being an early option for a painful shoulder with a visible deposit.
Why it ranks fifth
It is the most invasive option for a condition that usually resolves without any intervention at all.
| Option | Targets the deposit | Needles | Improves shoulder function | Typical position in sequence |
|---|---|---|---|---|
| Time and load management | No, the body does | No | Maintains it | First, always |
| Physiotherapy and loading | No | No | Yes, this is its purpose | First, alongside |
| Shockwave therapy | Yes | No | Indirectly | After 3 to 6 months |
| Ultrasound-guided barbotage | Yes, directly | Yes | Indirectly | After shockwave, or for large deposits |
| Surgery | Yes, directly | Operation | Requires months of rehab | Last |
The middle column is the one that reframes the problem. Only two of these five improve how the shoulder works, and neither of them touches the deposit. Getting rid of the calcium and getting the shoulder working are different goals, and people arrive assuming they are the same one.
If your shoulder became agonising over a few hours and you can barely move it, you are most likely in the resorptive phase. Pain relief, gentle movement and time are the right answer, and this phase usually passes within days to a couple of weeks.
If a deposit was found on a scan done for something else and your shoulder is fine, no treatment is needed. Incidental deposits are common and do not require action.
If the shoulder aches and catches overhead but is not acutely painful, you are probably in the resting phase, and a loading programme is the most useful thing available.
If you have had three to six months of good rehabilitation and it is still limiting you, shockwave is the reasonable next step, continued alongside the exercises rather than replacing them.
If the deposit is large and the pain has been severe for months despite everything, ask about ultrasound-guided barbotage.
If you have been offered surgery early on, it is worth asking what has been tried first, given that most of these shoulders settle without it.
The belief people arrive with is that the calcium is a foreign body that has to come out, and that until it does the shoulder cannot get better. It is an entirely reasonable reading of a scan report describing a deposit in a tendon, and it is the opposite of what the natural history shows. The body is already dissolving it, and the pain that prompted the scan is frequently the sound of that happening.
What that changes in practice is what gets treated. A shoulder that has been guarded for eight months has a weak, deconditioned cuff and a stiff joint, and both of those are what limit reaching a top shelf or fastening a seatbelt. Neither improves when the deposit goes, and both improve with loading whether the deposit stays or not. The people who do best are the ones who stop waiting for the calcium to disappear before they start using the arm.
Where a deposit is confirmed and good rehabilitation has not been enough, shockwave therapy is the next step and one of its better-supported uses.
Do calcium deposits in the shoulder go away on their own?
Usually, yes. Calcific tendinopathy is described as self-limiting, with the body reabsorbing the deposit spontaneously in most cases. Full radiographic resolution can take one to three years, and symptoms typically improve well before the deposit has completely gone.
Why is calcific tendinitis so painful?
The severe pain happens during the resorptive phase, when the body is actively breaking the deposit down and the local inflammatory response is intense. It can be sudden and severe enough that people attend A&E. That phase means the deposit is dissolving, so the worst pain is usually a sign the condition is resolving rather than worsening.
Does the size of the calcium deposit determine how much it hurts?
No. Large deposits are frequently found by chance on scans in people with no shoulder symptoms at all, and small deposits in the resorptive phase can be extremely painful. Treatment decisions are made on symptoms and phase rather than on the size on the report.
Does shockwave therapy work for calcific tendinopathy?
It is one of the better-supported uses of shockwave. Systematic reviews of upper limb tendinopathy support its use, and focused shockwave has stronger evidence than radial for this condition. It is best used after several months of conservative treatment and alongside a loading programme rather than instead of one.
What is barbotage for a shoulder calcium deposit?
It is an ultrasound-guided needle procedure in which the deposit is punctured, flushed with saline and aspirated out, usually under local anaesthetic and often with a bursal steroid injection at the same time. A systematic review of 908 patients found it safe with a high success rate, though there is little evidence comparing it directly against other treatments.
Should I rest my shoulder or keep moving it?
Keep moving it through a comfortable range, even during the acute phase. A sling for comfort in the worst few days is reasonable, and prolonged immobilisation risks a stiff shoulder, which is a more stubborn problem than the original one. Avoid sustained overhead work while it is acutely painful.
Will physiotherapy dissolve the calcium deposit?
No, and that is not what it is for. Loading restores the strength, range and control of a shoulder that has usually been guarded for months, and those are what limit day-to-day function. Symptoms and function frequently return to normal while the deposit is still visible on imaging.
PhysioHub – Empowerment through Evidence-Based Education.
Every body is different. Book a thorough assessment and get advice that is specific to you and your goals.
Book an Appointment