Shoulder Injury Related to Vaccine Administration: SIRVA

Shoulder injury related to vaccine administration (SIRVA) is a complication of getting vaccines in the upper arm. Symptoms include shoulder pain and trouble moving the arm. People with SIRVA may file a claim for compensation with the National Vaccine Injury Compensation Program (VICP).

Shoulder injury related to vaccine administration, or SIRVA, is a long-lasting and debilitating shoulder injury that occurs after getting a vaccine.

People with SIRVA may notice shoulder pain and difficulty using their shoulder and arm immediately after receiving a vaccine, according to the Centers for Disease Control and Prevention.

In February 2017, the National Vaccine Injury Compensation Program (VICP) added SIRVA to its revised Vaccine Injury Table. This means people who experience shoulder injury related to vaccine administration may be eligible for compensation.

Between 2011 and 2014, VICP paid $22,054,673.70 to resolve 136 cases of alleged upper extremity injury.

How SIRVA Occurs

Improper shot administration causes SIRVA. Vaccination given too high on the arm was the most commonly reported contributing factor.

Researchers think injecting the vaccine too high on the arm may trigger symptoms of an inflammatory reaction. This occurs when the shot goes into the tendons, ligaments or fluid sack (bursa) around the joint instead of the muscle.

Other reported contributing factors include uneven position between vaccinator and patient (standing vs. sitting), history of shoulder pain and “too long” of a needle.

“A vaccine is an immunologically sensitive substance, and if you were to receive an injection too high – in the wrong place – you could get pain, swelling and reduced range of motion in that area.”

Source: Tom Shimabukuro, the Centers for Disease Control and Prevention

Shoulder injuries from poor vaccine administration include rotator-cuff injuries, frozen shoulder (adhesive capsulitis), tendinitis, shoulder bursitis and brachial neuritis.

These injuries can be debilitating and interfere with daily activities.

SIRVA Symptoms

The most common symptoms of SIRVA are arm and shoulder pain, and decreased range of motion. These occur within 48 hours of receiving a vaccine and last for more than a week.

From 2006 to 2010, VICP received 13 SIRVA claims, according to a 2015 report by the Advisory Commission on Childhood Vaccines.

More than 90 percent of claims involved shoulder pain less than 24 hours after getting a shot. In 54 percent of cases, the pain started immediately after vaccination.

Symptoms of SIRVA include:
  • Arm and shoulder pain
  • Limited range of motion; restricted movements; limited flexibility
  • Weakness
  • Chronic inflammation (swelling)
  • Difficulty lifting, carrying or driving
  • Swelling
  • Difficulty sleeping because of shoulder pain
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How Long Does SIRVA Last?

SIRVA symptoms can last anywhere from six months to several years, according to studies presented by the Advisory Commission on Childhood Vaccines in 2015.

Why Does My Arm Hurt After a Shot?

Not all pain in the arm or shoulder is SIRVA. Some pain, soreness, irritation, redness or swelling is common at the vaccine injection site and in the shoulder.

Some experts say this is a side effect of the body building up an immune response.

For example, about three in four adolescents or two in three adults reported pain at the injection site with Tdap (tetanus, diphtheria and pertussis) vaccine, according to the CDC. This usually goes away on its own in a day or two.

But shoulder pain that does not go away, gradually worsens or restricts movement, may indicate SIRVA.

Most commonly reported shoulder problems after flu vaccine, 2010 - 2016
Most commonly reported shoulder dysfunction-related adverse events(N=1,006 total reports) N (%)
Shoulder Pain 442 (44)
Injected limb mobility decreased 407 (41)
Joint range of motion decreased 191 (19)
Drug administered at inappropriate site 156 (16)
Bursitis 94 (9)
Arthralgia 92 (9)
Rotator cuff syndrome 90 (9)
Frozen Shoulder 57 (6)
Shoulder bursitis 30 (3)
Source: CDC

Flu Shot Sore Arm or Shoulder Pain

Because the flu vaccine is common and administered in the arm, the chances of getting a sore arm or shoulder pain after a flu shot are higher. But, SIRVA can occur with any vaccine administered in the upper arm.

From 2010 to 2016, the CDC received 2,198 reports of shoulder dysfunction after a flu shot.

Researchers determined about 1,006 were possible cases of SIRVA. About 829 of these reports came from females.

More than half of those in the SIRVA group said the pain affected their daily activities. About a quarter of them said they missed work.

Graph of reported shoulder problems after flu vaccine
Graph of reported shoulder problems after flu vaccine. Source: CDC

SIRVA Diagnosis

Health care providers use a few tests to diagnose SIRVA. It is a musculoskeletal injury and not a neurological injury.

Doctors will do a physical examination to check for pain and other symptoms. Typical signs doctors look for to diagnose SIRVA are inflammation around the joint and fluid buildup.

A person must have shoulder pain or decreased range of motion that lasts for several days after getting a shot. Patients must not have any pre-existing shoulder injuries.

Doctors will rule out other types of injuries with an MRI or X-ray.

SIRVA Treatment

SIRVA treatment may include cortisone injections, physical therapy or even surgery. What works for one patient may not work for another.

Treating and managing SIRVA can be expensive. In one 2014 case study published in Applied Radiology authors showed concern for the cost of SIRVA treatment.

“Our patient’s initial ‘free’ flu shot resulted in more than $18,000 of healthcare charges, not including the follow-up MRI and office appointments with her orthopedic surgeon,” authors wrote. “Fortunately, our patient has insurance and had to only pay about 20% of the cost out-of-pocket, unlike thousands of uninsured Americans receiving yearly vaccinations at local pharmacies and clinics nationwide.”

Some patients may have SIRVA symptoms for years even with treatment. In extreme cases, doctors may perform surgery to remove inflamed tissue.

Preventing SIRVA

Correct vaccine administration can prevent SIRVA. The CDC has some recommendations for giving and receiving shots.

Diagram showing the proper vaccine area
The ideal place to receive a vaccine is in the central and thickest portion of the deltoid muscle, according to the CDC.
CDC Recommendations for Proper Vaccine Administration
  • Vaccine administrators should avoid the top one third of the deltoid muscle. They should aim for the thickest portion of the muscle.
  • The needle size should be appropriate to the size of the patient. Usually 5/8 to 1 ¼ inches for patients one year old and older.
  • The needle should go into the arm at an angle of 90 degrees.
  • The vaccine administrator should be at the same level as the patient. For example, both should be sitting.
  • Patients should pull their shirtsleeve up to expose the thickest part of the upper arm.

Please seek the advice of a medical professional before making health care decisions.

Michelle Llamas, Senior Content Writer
Written By Michelle Llamas Senior Writer

Michelle Llamas has been writing articles and producing podcasts about drugs, medical devices and the FDA for seven years. She specializes in fluoroquinolone antibiotics, vaccines and products that affect women’s health such as Essure birth control, transvaginal mesh and talcum powder. Michelle collaborates with experts, including board-certified doctors, patients and advocates, to provide trusted health information to the public. Some of her qualifications include:

  • American Medical Writers Association (AMWA) Engage Committee and Membership Committee member
  • Centers for Disease Control and Prevention (CDC) Health Literacy certificates
  • Original works published or cited in The Lancet, British Journal of Clinical Pharmacology and the Journal for Palliative Medicine
Edited By

7 Cited Research Articles

  1. Meissner, H.C. (2017, September 1). Shoulder injury related to vaccine injury reported more frequently. Retrieved from
  2. Shimabukuro, T. (2017, October 25). Reports of shoulder dysfunction following inactivated influenza vaccine in the Vaccine Adverse Event Reporting System (VAERS), 2010-2016. Retrieved from
  3. Zhang, S. (2015, September 3). Why are cases of shoulder injuries from vaccines increasing? Retrieved from
  4. Alle-Tezze, T. (2015, June 4). Prevention of SIRVA. Retrieved from
  5. Cimons, M. (2015, October 28). Needle in the wrong spot can turn injection into a big pain. Retrieved from
  6. CDC. (2015, February 24). Tdap Vaccine; What You Need to Know. Retrieved from
  7. Health Resources & Services Administration. (n.d.). Vaccine Injury Table. Retrieved from
View All Sources
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