Shoulder pain is one of the most common musculoskeletal complaints in the United States, affecting people of all ages and activity levels. Whether it comes on suddenly after a sports injury or builds gradually over time, shoulder pain can limit your range of motion, disrupt your sleep, and keep you from the activities you enjoy. Understanding what is causing your shoulder pain is the first step toward getting the right treatment and reclaiming your quality of life.
The shoulder is the most mobile joint in the body, which also makes it one of the most vulnerable to injury. From rotator cuff tears to frozen shoulder, the range of conditions that can cause shoulder pain is wide. This guide walks you through the most common causes, how shoulder pain is diagnosed and treated, and when it is time to stop waiting and see a specialist.
What Causes Shoulder Pain?
The shoulder is made up of bones, tendons, muscles, cartilage, and bursae that all work together to give you an exceptional range of motion. When any of these structures are injured, inflamed, or worn down, pain can result. Some of the most frequently seen causes of shoulder pain include:
Rotator Cuff Injuries
The rotator cuff is a group of four muscles and their tendons that stabilize the shoulder joint. Rotator cuff tears are among the most common causes of shoulder pain, especially in athletes and adults over 40. These tears can be partial or complete and may result from a sudden injury, repetitive overhead movements, or simply age-related degeneration.
Common symptoms include a dull ache deep in the shoulder, weakness when lifting the arm, and difficulty sleeping on the affected side. In many cases, rotator cuff shoulder pain worsens when reaching overhead or behind your back.
Bursitis and Tendinitis
Bursae are small fluid-filled sacs that cushion the tendons and bones in your shoulder. Repetitive motion or overuse can cause these sacs to become inflamed (bursitis) or cause the surrounding tendons to become irritated (tendinitis). Both conditions produce shoulder pain that is often described as a dull, burning ache, and they frequently occur together.
Frozen Shoulder (Adhesive Capsulitis)
Frozen shoulder develops when the connective tissue surrounding the shoulder joint becomes thick and stiff. It typically progresses through three stages: freezing (increasing pain and loss of motion), frozen (stiffness persists but pain may ease), and thawing (gradual return of movement). It is more common in people with diabetes and those who have recently had a shoulder injury or surgery that required immobilization.
AC Joint Problems
The acromioclavicular (AC) joint connects the shoulder blade to the collarbone. AC joint injuries are common in contact sports and typically result from a fall or direct blow to the shoulder. Arthritis of the AC joint is also a frequent source of shoulder pain in older adults, producing localized pain at the top of the shoulder.
Shoulder Instability and Dislocations
Shoulder instability occurs when the structures that hold the shoulder in place are stretched or torn, allowing the ball of the joint to slip partially or fully out of socket. This is common in younger athletes who participate in throwing or contact sports. Repeated episodes of instability can increase the risk of developing shoulder arthritis over time.
Shoulder Arthritis
Osteoarthritis and rheumatoid arthritis can both affect the shoulder joint, gradually wearing away the protective cartilage. Shoulder arthritis typically develops later in life and produces pain that worsens with activity and improves with rest. Stiffness and a grinding sensation in the joint are also common.
Recognizing the Symptoms of Shoulder Pain
Shoulder pain can present in many different ways depending on the underlying cause. Symptoms to pay attention to include:
- Pain at rest or with specific movements, especially overhead motions
- Weakness when lifting, pushing, or pulling
- A limited range of motion or stiffness in the joint
- A popping, clicking, or grinding sensation
- Swelling or tenderness around the shoulder
- Pain that radiates down the arm or into the neck
- Difficulty sleeping on the affected shoulder
When Shoulder Pain Is an Emergency: Seek immediate medical care if you experience sudden, severe shoulder pain following an injury, if your shoulder appears deformed, or if shoulder pain occurs alongside chest pain, shortness of breath, or sweating — which can be signs of a cardiac event.
How Is Shoulder Pain Diagnosed?
An accurate diagnosis is essential for effective treatment. A shoulder specialist will typically begin with a thorough medical history and physical examination, assessing your range of motion, strength, and the specific location of your pain. Diagnostic imaging may include:
- X-rays: Useful for identifying arthritis, bone spurs, and fractures
- MRI: Provides detailed images of soft tissue structures including the rotator cuff, tendons, and labrum
- Ultrasound: A dynamic, real-time imaging tool often used to evaluate rotator cuff tears and bursitis
- CT scan: Helpful for complex fractures or surgical planning
In some cases, a diagnostic injection of corticosteroid and anesthetic can both relieve pain and help confirm the source of the problem.
Shoulder Pain Treatment Options
Treatment for shoulder pain depends on the cause, severity, and how long you have been experiencing symptoms. Most cases are addressed with non-surgical approaches first, with surgery reserved for injuries that do not respond to conservative care.
Non-Surgical Treatment
- Rest and activity modification: Avoiding aggravating movements while allowing the shoulder to heal
- Physical therapy: Targeted exercises to restore strength, flexibility, and proper mechanics
- Anti-inflammatory medications: NSAIDs such as ibuprofen to reduce pain and swelling
- Corticosteroid injections: Can provide significant short-term relief for bursitis, tendinitis, and arthritis
- PRP (Platelet-Rich Plasma) therapy: An emerging treatment that uses your body’s own growth factors to promote healing
Many patients see meaningful improvement with a structured physical therapy program, particularly when treatment starts early. The goal of non-surgical care is to reduce pain, restore function, and prevent the problem from getting worse.
Surgical Treatment
When conservative measures have not provided adequate relief, or when there is significant structural damage, surgery may be recommended. Minimally invasive arthroscopic procedures are used for most shoulder surgeries today, allowing for faster recovery and smaller incisions. Common shoulder surgeries include:
- Rotator cuff repair
- Shoulder stabilization for instability and recurrent dislocations
- SLAP repair (labrum tear)
- AC joint reconstruction
- Total shoulder replacement or reverse total shoulder arthroplasty
Choosing the right surgical approach requires a careful evaluation of your individual anatomy, activity level, and goals. A board-certified orthopedic surgeon can help you understand your options and what to realistically expect from recovery.
When Should You See a Doctor for Shoulder Pain?
Not every shoulder ache requires a trip to a specialist, but there are clear signs that professional evaluation is warranted. You should schedule an appointment if:
- Your shoulder pain persists for more than one to two weeks without improvement
- The pain is severe enough to limit your daily activities or prevent sleep
- You experienced a specific injury such as a fall, collision, or sudden twist
- Your shoulder feels unstable, catches, or locks during movement
- You notice visible swelling, bruising, or deformity
- Over-the-counter medications and rest are not providing relief
Early evaluation and diagnosis typically lead to better outcomes. Delayed treatment can sometimes turn a manageable problem into a more complex one that requires more extensive intervention.
Shoulder Pain in Sacramento: Expert Care at Sacramento Orthopedic Sports & Shoulder
If you are dealing with shoulder pain in Sacramento, you do not have to navigate it alone. At Sacramento Orthopedic Sports & Shoulder, Dr. Greg Takenishi and his team specialize exclusively in orthopedic conditions affecting athletes and active individuals, with a particular focus on the shoulder.
With over 15 years of experience, Dr. Takenishi brings deep expertise in diagnosing and treating the full spectrum of shoulder conditions, from acute sports injuries to complex reconstructive procedures. Whether you are a competitive athlete looking to return to your sport or someone who simply wants to reach overhead without pain, the practice is built around getting you back to what you do.
The team at Sacramento Orthopedic Sports & Shoulder takes a patient-first approach, combining the latest diagnostic tools and treatment techniques with individualized care. From the initial consultation through rehabilitation, you will have a partner at every stage of your recovery.
Schedule an Appointment: Sacramento Orthopedic Sports & Shoulder serves patients throughout the Sacramento area. To schedule a consultation with Dr. Greg Takenishi, contact the office or request an appointment online.
Frequently Asked Questions About Shoulder Pain
How long does shoulder pain usually last?
It depends on the cause. Minor strains and bursitis often improve within a few weeks with rest and physical therapy. Rotator cuff tears and frozen shoulder can take several months to fully resolve, especially if treatment is delayed. A proper diagnosis is the best way to understand your timeline.
Can shoulder pain go away on its own?
Mild shoulder pain from overuse or minor strains can sometimes resolve with rest and conservative home care. However, pain that is severe, worsening, or does not improve within two weeks should be evaluated by a physician. Waiting too long can allow underlying structural problems to worsen.
What is the most common cause of shoulder pain?
Rotator cuff problems, including tears and tendinitis, are the most commonly diagnosed source of shoulder pain. Bursitis is also extremely common and often occurs alongside rotator cuff irritation.
Is shoulder pain a sign of something serious?
Most shoulder pain is musculoskeletal and not life-threatening, but there are exceptions. Shoulder pain that develops alongside chest pain, jaw pain, or shortness of breath should be treated as a medical emergency, as it can indicate a heart attack. Pain that radiates from the neck may also signal a nerve problem that warrants prompt attention.
When is shoulder surgery necessary?
Surgery is typically considered when conservative treatment has been given a fair trial (usually three to six months) without adequate improvement, or when there is a structural injury such as a complete rotator cuff tear or significant shoulder instability that is unlikely to heal on its own. Your orthopedic surgeon will review imaging and your functional goals before making a recommendation.