• 19 Sep, 2026
• UnityPain
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Frozen Shoulder: Causes, Symptoms & Treatment | UnityPain

When Your Shoulder Stops Moving: Understanding Frozen Shoulder

If you have ever woken up and realized your shoulder just will not move the way it used to, you are not alone. Frozen shoulder is a condition that affects millions of people, and it can be one of the most frustrating experiences to live with. Simple tasks like reaching for a glass, putting on a shirt, or fastening a seatbelt can become painful and difficult. If this sounds familiar, please know that what you are going through is real, it is recognized, and there are options that may help.

This article will walk you through what frozen shoulder is, why it happens, what it feels like, and what kinds of treatments are available. Understanding your condition is often the first step toward getting the right care.

What Is Frozen Shoulder?

Frozen shoulder is also called adhesive capsulitis. It happens when the tissue around your shoulder joint — called the joint capsule — becomes thick, tight, and inflamed. Over time, scar tissue can form inside the joint. This makes the space inside the shoulder smaller and limits how much the joint can move.

The shoulder is a ball-and-socket joint. It is designed to move in many directions. When the capsule tightens, that range of motion shrinks. Some people lose the ability to lift their arm above shoulder height. Others struggle to rotate their arm outward or reach behind their back.

Frozen shoulder is more common in people between the ages of 40 and 60. It affects women more often than men. People with diabetes, thyroid conditions, or heart disease also have a higher risk of developing this condition.

What Causes Frozen Shoulder?

Doctors do not always know exactly why frozen shoulder develops in a specific person. However, there are some known risk factors and triggers. One of the most common causes is a period of shoulder immobility — meaning the shoulder was not moving much for a while. This can happen after an injury, a surgery, or even a stroke that affects arm movement.

When the shoulder is not used regularly, the joint capsule can begin to tighten. This is why people who have had a rotator cuff tear, a broken arm, or even a period of bed rest sometimes develop frozen shoulder afterward. Inflammation in the joint can also begin the process, even without a clear injury.

Certain health conditions seem to increase the risk. Diabetes is one of the strongest risk factors known. People with diabetes are significantly more likely to develop frozen shoulder compared to the general population. Other conditions linked to frozen shoulder include hypothyroidism, hyperthyroidism, Parkinson’s disease, and cardiovascular disease.

What Does Frozen Shoulder Feel Like?

Frozen shoulder tends to develop in three stages. Most people do not realize they are in the first stage until the pain becomes hard to ignore. In the freezing stage, pain slowly builds in the shoulder. Movement starts to become limited. This stage can last anywhere from a few weeks to several months.

The second stage is called the frozen stage. During this time, the pain may actually improve a little, but the stiffness gets much worse. Moving your shoulder becomes very difficult. Daily activities become a real challenge. This stage can last four months to a year or even longer.

The third stage is the thawing stage. Gradually, motion begins to return. The shoulder slowly starts moving better. Full recovery can take a long time — sometimes one to three years overall. The process can be slow and discouraging, which is why professional support and treatment can make a big difference.

How Is Frozen Shoulder Diagnosed?

A healthcare provider will usually diagnose frozen shoulder based on your symptoms and a physical exam. They will ask about your pain and check how far you can move your shoulder on your own versus with help. If your shoulder has limited motion both actively and passively, that is a strong sign of frozen shoulder.

Imaging tests like X-rays or MRIs may be ordered to rule out other causes of shoulder pain, such as arthritis or a rotator cuff tear. These tests do not directly show frozen shoulder, but they help make sure nothing else is going on.

Getting an accurate diagnosis is important because frozen shoulder can sometimes be confused with other shoulder problems. A proper evaluation by a pain or musculoskeletal specialist helps ensure you get the right treatment plan.

What Are the Treatment Options?

There is no single treatment that works for everyone with frozen shoulder. Most treatment plans combine several approaches. The goal is to reduce pain, protect the joint, and slowly restore movement.

• Physical therapy is often a key part of recovery. A physical therapist can guide you through gentle stretching exercises that help loosen the shoulder capsule over time.
• Joint injections with corticosteroids can help reduce inflammation inside the shoulder joint and may make it easier to participate in therapy and daily activities.
• Anti-inflammatory medications, including options like Toradol, may help manage pain during flare-ups.
• Medication management by a pain specialist can help balance comfort and function as you work through recovery.
• Hydrodilatation, a procedure where fluid is injected into the joint to stretch the capsule, is another option sometimes used by specialists.
• Surgery is considered in cases where other treatments have not helped after a long period of time.

At Unity Pain Management in Modesto, CA, the team works with patients experiencing shoulder pain to find personalized, practical treatment options. Whether that means a joint injection, a referral for physical therapy, or a telehealth visit to get started, care is designed to meet you where you are. The clinic accepts most insurance plans, making it easier to access support.

Living With Frozen Shoulder: Hope for Recovery

Living with frozen shoulder can test your patience. Progress is often slow, and there may be days when it feels like nothing is changing. But many people do recover meaningful shoulder function with consistent treatment and time. You do not have to go through this alone.

If your shoulder pain and stiffness have been limiting your life, it may be time to talk to a pain specialist. Getting the right evaluation can help you understand where you are in the process and what steps might help move you toward recovery. Reaching out for help is a sign of strength, not weakness — and it may be the step that starts making a real difference.

References

• Milgrom, Charles, et al. “Adhesive Capsulitis: Risk Factors for Its Occurrence and Course.” Journal of Shoulder and Elbow Surgery. 2008.
• National Institute of Arthritis and Musculoskeletal and Skin Diseases. “Shoulder Problems.” National Institutes of Health (NIH). 2023.
• Zreik, Naser H., et al. “Adhesive Capsulitis of the Shoulder and Diabetes: A Meta-Analysis of Prevalence.” Muscles, Ligaments and Tendons Journal. 2016.
• Mayo Clinic Staff. “Frozen Shoulder — Symptoms and Causes.” Mayo Clinic. 2023.
• Uppal, H.S., Evans, J.P., and Smith, C. “Frozen Shoulder: A Systematic Review of Therapeutic Options.” World Journal of Orthopedics. 2015.