Shoulder Tendonitis Vaccine Injury | My Vaccine Lawyer

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Shoulder Vaccine Injuries

You expected soreness—but weeks later, you're still dealing with burning pain and tightness. Chronic shoulder injury related to vaccine administration isn’t normal.

What feels like post-vaccine soreness at first can turn into a shoulder tendonitis vaccine injury—a painful, progressive condition affecting the tendons surrounding the shoulder joint. Often triggered by vaccine administration that’s too high or deep in the deltoid muscle or upper arm bone, this injury leads to persistent shoulder pain, weakness, and long-term inflammation. Most patients don’t connect their symptoms to the injection until it’s too late—when the pain hasn’t gone away and movement feels increasingly restricted.

This is more than discomfort—it's a chronic shoulder injury related to poor injection technique. Cases like this are documented under the vaccine injury table, meaning your situation may be eligible for compensation. If your shoulder injury started after a flu shot, inactivated influenza vaccine, or other routine injection, and you now face mounting medical costs and time off work, it’s time to look into your options.

If your symptoms haven’t resolved, don’t wait. We’ll help confirm whether your injury is a vaccine related tendonitis—and explain what your next legal steps could be.

Shoulder Tendonitis Vaccine Injury | My Vaccine Lawyer

Hear Cheryl's Vaccine Injury Story

Cheryl, a former client of My Vaccine Lawyer, shares her experience with Shoulder Injury Related to Vaccine Administration (SIRVA) following a flu shot. She describes the sudden onset of pain, limited shoulder mobility, and a long recovery process that led her to seek legal help from attorney Max Muller.

With his support, Cheryl filed a successful claim through the Vaccine Injury Compensation Program and received a settlement covering her medical expenses, lost wages, and pain and suffering. SIRVA symptoms typically include sudden pain within 48 hours of vaccination, restricted range of motion, and discomfort that can last for weeks or months.

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What You Need to Know About Shoulder Tendonitis After a Vaccine

How Does Shoulder Tendonitis Develop After a Vaccine?

Shoulder tendonitis can begin when a vaccine injection is delivered into the wrong spot—too high, too deep, or at the wrong angle. This leads to inflammation of the tendons surrounding the joint, causing swelling and irritation. It’s more likely with intramuscular injection near the deltoid muscle or upper arm, especially if there’s poor needle placement or improper injection technique. In some cases, an overactive immune response can also trigger inflammation.

If you received a flu shot, inactivated influenza vaccine, or other immunization in the left shoulder, and now experience soreness that hasn’t resolved, your condition could be related to vaccine administration.

Symptoms, Misdiagnosis, and What to Watch For

Tendonitis doesn’t always cause immediate pain. It can start as atypical shoulder pain, then gradually become persistent pain, limited strength, and reduced shoulder range. Unlike a full tear, you may still move your arm—but with tightness or grinding. Joint pain, tension, and limited range during physical examination are common. This injury is often mistaken for frozen shoulder, rotator cuff tears, or even overuse. Without an accurate diagnosis, proper care gets delayed—and symptoms persist.

Treatment Options—and What Happens If You Wait

If treated early, tendonitis may respond to conservative treatment like physical therapy, nonsteroidal anti inflammatory drugs, or corticosteroid injections. But delayed care can lead to worsening inflammation, tendon damage, and eventual orthopaedic surgery. In more severe cases, arthroscopic surgical management may be required. Ignoring symptoms increases the risk of developing related conditions like adhesive capsulitis, rotator cuff tendinopathy, or even axillary nerve injury—all more difficult and expensive to fix later.

Why This Injury Deserves Legal Attention

Many people dismiss tendonitis as overuse or aging—but when it follows a vaccine, it may be a vaccine related shoulder injury. This is an injury related to vaccine administration, not just bad luck. It’s listed in real vaccine injury cases, and covered under the vaccine injury table. If you're now living with severe shoulder pain, limited motion, or have needed surgical intervention, this may qualify you for compensation. Our law firm specializes in vaccine injury and knows how to link these injuries to their source—and prove it.

Tendonitis may start small, but it rarely resolves on its own. If the pain is still there, we’ll help confirm the cause—and explain what compensation you may be entitled to.

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SEE OUR NOTABLE SETTLEMENTS

See some of our vaccine injury settlements in the VICP.

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Shoulder Tendonitis Vaccine Injury | My Vaccine Lawyer

MEET MAX

Max is a founding Partner of My Vaccine Lawyer and has been a Super Lawyer for 11 years straight.

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Shoulder Tendonitis Vaccine Injury | My Vaccine Lawyer

MEET PAUL

Paul is a founding Partner at My Vaccine Lawyer and has been featured in the Washington Post and CBS News for his accomplishments.

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Shoulder Tendonitis Vaccine Injury | My Vaccine Lawyer

The Cost of Untreated Shoulder Tendonitis—Physically and Financially

When tendonitis isn’t treated early, it turns into a chronic shoulder injury. Pain spreads, motion becomes restricted, and basic tasks like reaching, lifting, or even getting dressed become difficult. Many people don’t realize this is a vaccine related tendonitis—and they wait too long for care. By that point, shoulder weakness, severe symptoms, and ongoing inflammation may already be affecting your quality of life.

The financial cost climbs just as quickly. Ongoing physical therapy can run $150–$250 per session over several months. If symptoms persist, you'll need magnetic resonance imaging, which adds another $1,000–$2,000. Delayed care may lead to arthroscopic surgical management or full orthopaedic surgery, which can cost $15,000–$25,000.

Even worse, persistent pain and reduced range of motion can limit your ability to work—especially in jobs requiring arm mobility. And if you're misdiagnosed with frozen shoulder or rotator cuff tendinopathy, your condition might worsen under the wrong treatment plan. That’s why a timely treatment, accurate diagnosis, and access to the vaccine injury claims process can make all the difference.

My Vaccine Lawyer Handles Shoulder Tendonitis Vaccine Injuries Differently

We don’t just file claims—we build them the right way. Our team understands how shoulder tendonitis vaccine injury develops, how it’s often misdiagnosed, and what’s needed to prove it legally. We collaborate with specialists to confirm injury to the shoulder joint, deltoid muscle, and upper arm, often missed in general exams.

We’ve helped clients document vaccine administration issues, errors in injection site events, and signs of chronic shoulder injury related to poor technique. Our filings include clinical timelines, informed consent review, and medical data to show the injury was related to vaccine administration. We also guide clients in avoiding shoulder injury related complications—like further damage or repeated injections in an already affected arm.

If you're living with shoulder tendonitis after a vaccine, let’s get it documented and compensated—before it becomes something permanent.

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Shoulder Tendonitis Vaccine Injury | My Vaccine Lawyer

The Legal Process for Vaccine Injury Cases

Vaccine injury cases follow a unique legal process. Since these claims are handled under the VICP, they require an attorney with experience in federal vaccine litigation. At My Vaccine Lawyer, we start with a free consultation to assess your claim. We then gather medical records, expert testimony, and supporting evidence to build a strong case. If a fair settlement isn’t offered, we are prepared to take your case to trial.

1. Contact Your Doctor

If you suffered a vaccine-related injury, adverse effects or worsening symptoms, call your doctor immediately.

2. Call My Vaccine Lawyer

For a free consultation. We are licensed to practice in the U.S. Court of Federal Claims.

Still Have Questions?

Why are vaccines usually given in the left shoulder, and can that lead to injury?

Most vaccines are given in the left shoulder by default, especially for right-handed individuals, to avoid temporary soreness interfering with daily tasks. But that doesn’t prevent injury. If there's poor vaccine administration, even in the non-dominant arm, it can lead to a vaccine related injury like shoulder tendonitis, bursitis, or nerve damage. Precise injection technique matters far more than which side is used.
How can I tell if my shoulder problem is just soreness—or a vaccine-related injury?

If you're still in pain more than a few days after your shot—or the discomfort is worsening—it may not be normal soreness. True vaccine related injuries, like shoulder tendonitis or subdeltoid bursitis, usually involve persistent pain, limited range of motion, or pain during daily tasks. If you’re unsure, a physical examination and imaging like magnetic resonance imaging can help confirm the cause.
Can other injection site events cause similar injuries?
What’s considered effective treatment for shoulder tendonitis after vaccination?
How do I make sure I get the right treatment for tendonitis caused by a vaccine?

Start by making your provider aware that the pain started after a vaccine. Mention that you're concerned about vaccine administration SIRVA or a rare reaction. This helps guide them toward an accurate diagnosis. Pursuing effective treatment early—like targeted physical therapy or corticosteroid injections—can significantly improve your chances of successful outcomes and avoid unnecessary procedures.

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