My arm hurt after my flu shot, but I am not sure if it qualifies as a serious injury. Is it worth looking into?

It depends on how long your symptoms have lasted and how they have affected your life. Normal soreness at the injection site that resolves within a day or two does not typically qualify as a compensable vaccine injury. However, if you have experienced persistent shoulder pain, limited range of motion, weakness, or other symptoms lasting more than a few weeks after your flu shot, those symptoms may indicate a more serious injury, such as SIRVA. The VICP requires that a qualifying injury persist for more than six months, require hospitalization and surgical intervention, or result in death. If your symptoms have been ongoing, a free consultation is the most reliable way to assess whether your situation meets that threshold.

In cases involving GBS after a flu shot, what is the timeframe I need to meet for an on-table claim?

GBS is listed on the Vaccine Injury Table for seasonal influenza vaccines with a required onset period of three to 42 days after vaccination. If the first symptom or manifestation of onset occurred within that window and the condition meets the Table’s full diagnostic definition, causation may be presumed. If the onset occurred outside that period, the claim may instead need to proceed as an off-Table claim supported by medical and scientific causation evidence. Either way, speaking with a vaccine injury attorney promptly is important, since the three-year filing deadline begins from the date of your first symptom.

I receive a flu shot every year. Does that affect my ability to file a claim?

Not necessarily. A VICP claim is specific to the vaccination that caused your injury, identified by the date of administration and the onset of your symptoms. The fact that you have received flu shots in prior years does not disqualify you from filing a claim based on a specific vaccination that was followed by a serious adverse event. Your attorney will help you identify which vaccination is most likely associated with your injury based on the timing of your symptoms and your medical records.

I developed a neurological condition after a flu shot, but my doctor says it was not caused by the vaccine. Can I still pursue a claim?

Possibly. A treating physician's opinion is one piece of evidence in a VICP proceeding, but it is not the final word. Special masters evaluate the full body of medical and scientific evidence presented, including expert reports and peer-reviewed literature. Many successful flu vaccine injury claims have proceeded over initial skepticism from treating physicians. If you believe there is a connection between your flu shot and your neurological condition, a consultation with a vaccine injury attorney who understands the underlying science is the right next step.

I had a flu shot and developed symptoms, but I waited a while before I went to see a doctor. Does that hurt my claim?

It may create challenges, but it does not necessarily end your claim. The VICP's filing deadline is based on the date of your first symptom, not the date of your first medical visit. If there is a gap between when your symptoms began and when you first sought treatment, your attorney will need to address that gap and establish the symptom onset date through available evidence. Acting now, by consulting an attorney and gathering your medical records, is the most important step you can take, regardless of how long you waited to seek initial treatment.

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Flu Shot Vaccine

Flu Vaccine Injury

Flu Shot Injury and Side Effects: Understanding Your Legal Options
The Flu Vaccine and the VICP: Why This Vaccine Leads All Others in Covered Injury Claims
From Allergic Reactions to Neurological Disorders: Types of Flu Shot Injury and Side Effects That May Warrant Compensation
On-Table Flu Vaccine Injuries and Off-Table Claims
A First-of-Its-Kind Victory: Flu Vaccine Causing Multiple Sclerosis
Our Results in Flu Vaccine Injury Cases
Why Choose Sadaka Law for Your Flu Vaccine Injury Claim?
Take the First Step Toward Your Flu Vaccine Injury Claim With a Free Consultation With Sadaka Law

Flu Shot Injury and Side Effects: Understanding Your Legal Options

You got your flu shot expecting routine protection. Instead, something went wrong. Maybe your shoulder has not been the same since. Maybe you developed weakness or numbness that your doctor cannot fully explain. Maybe you received a serious neurological diagnosis weeks after your vaccination, and you are now wondering whether the two are connected in the form of a vaccine injury. If you received the influenza vaccine and your health changed in the weeks or months that followed, you may have a flu vaccine injury claim.

Certain flu shot injuries and side effects that go beyond mild and temporary reactions may support claims under the National Vaccine Injury Compensation Program, and the influenza vaccine accounts for more VICP claims than any other vaccine on the program's covered list. At Sadaka Law, we have represented more than 450 vaccine injury clients over more than 20 years of VICP practice, and flu vaccine injury cases represent a significant portion of that experience.

Call our firm today or fill out our online contact form for your initial case review. Our firm offers free consultations, and no upfront attorney fees are charged in VICP claims, so there’s nothing standing in the way of exploring your legal options.

The Flu Vaccine and the VICP: Why This Vaccine Leads All Others in Covered Injury Claims

Most people who receive a flu shot experience nothing more than temporary soreness. A small number of people experience serious medical conditions afterward, and certain injuries may qualify for federal compensation when the Vaccine Injury Table’s requirements or the VICP’s case-specific causation standard are met.

The influenza vaccine accounts for more claims under the National Vaccine Injury Compensation Program than any other covered vaccine type, and there are several reasons for that. The flu vaccine is administered to more people annually than virtually any other vaccine in the United States. Each season, flu shots are among the most commonly administered vaccines for children, adults, elderly patients, pregnant women, and healthcare workers. This creates an enormous pool of potential claimants when rare adverse events occur. The flu vaccine is also widely administered by intramuscular injection, which helps explain why influenza vaccinations are frequently involved in SIRVA claims when improper injection placement or technique affects structures in and around the shoulder.

Thousands of influenza vaccine petitions have resulted in compensation through the VICP. If you experienced significant symptoms after vaccination, you are not imagining those symptoms, and the possible connection may be worth investigating.

From Allergic Reactions to Neurological Disorders: Types of Flu Shot Injury and Side Effects That May Warrant Compensation

The influenza vaccine has been associated with a range of serious injuries, from neurological conditions and autoimmune diseases to shoulder damage. Each of the following represents a recognized category of flu vaccine injury claim.

Guillain-Barré Syndrome (GBS) After Flu Shot

Guillain-Barré Syndrome (GBS) is one of the most widely recognized flu vaccine injuries and is listed on the Vaccine Injury Table for the influenza vaccine alongside anaphylaxis, SIRVA, and vasovagal syncope. This condition causes the immune system to attack the peripheral nervous system, leading to progressive weakness that, in serious cases, may result in temporary paralysis. If the first symptom or manifestation of onset of GBS occurred between three and 42 days after receiving a seasonal influenza vaccine, and the condition satisfies the Vaccine Injury Table’s other diagnostic requirements, your claim may qualify as an on-Table injury with presumed causation.

SIRVA (Shoulder Injury Related to Vaccine Administration)

SIRVA is a musculoskeletal shoulder injury thought to occur when vaccine antigen or needle trauma affects structures in and around the shoulder, such as the bursa, tendons, or ligaments. Improper injection placement, including an injection administered too high on the arm, may contribute to persistent pain, limited range of motion, and other shoulder problems. SIRVA is listed on the Vaccine Injury Table for intramuscular injections with an onset window of 48 hours.

Vasovagal Syncope

Vasovagal syncope is a fainting episode triggered by the body's nervous system response to the stress or pain of receiving a vaccination. While a brief fainting episode alone may not rise to the level of a compensable VICP injury, vasovagal syncope that results in a fall and a serious secondary injury, such as a head injury or fracture, can qualify for compensation. It is listed on the Vaccine Injury Table for the influenza vaccine when it occurs within one hour of vaccination.

Anaphylaxis

Anaphylaxis is a severe, potentially life-threatening allergic reaction that can occur within minutes of receiving a flu vaccine. Symptoms include throat swelling, difficulty breathing, a rapid drop in blood pressure, and loss of consciousness. Anaphylaxis is listed on the Vaccine Injury Table for the influenza vaccine with an onset window of four hours.

Chronic Inflammatory Demyelinating Polyneuropathy (CIDP)

Chronic inflammatory demyelinating polyneuropathy (CIDP) is a chronic autoimmune condition affecting the myelin sheath that protects the peripheral nerves, causing progressive weakness, sensory loss, and long-term functional impairment. Unlike GBS, which is acute and typically resolves over time, CIDP is chronic and often relapsing, meaning it can require ongoing treatment and management for years. It is not listed on the Vaccine Injury Table, making virtually all CIDP flu vaccine claims off-table matters requiring strong scientific and expert support. Our firm's $5.33 million recovery for a client who developed CIDP after a flu shot is the most significant result of its kind in our practice.

Brachial Neuritis

Brachial neuritis causes sudden, severe pain in the shoulder and upper arm, followed by weakness and numbness. It has been documented following flu vaccination and is listed on the Vaccine Injury Table for tetanus-containing vaccines. When brachial neuritis follows a flu shot, it is typically pursued as an off-table flu vaccine VICP claim.

Transverse Myelitis

Transverse myelitis is an inflammatory condition of the spinal cord that can cause weakness, sensory changes, and, in severe cases, significant loss of mobility. It has been reported following influenza vaccination and is typically pursued as an off-table VICP claim.

Multiple Sclerosis (MS)

Multiple sclerosis (MS) is a chronic autoimmune condition affecting the central nervous system. Our firm obtained what we understand to be the first successful VICP result awarding compensation in a case alleging that an influenza vaccine caused multiple sclerosis.

Incomplete Brown-Sequard Syndrome

Brown-Sequard syndrome is a rare neurological condition involving damage to one side of the spinal cord, causing weakness on one side of the body and sensory loss on the other.

Other Conditions Following the Flu Vaccine

The influenza vaccine has been associated with additional serious adverse events beyond those listed here. If you developed a condition following flu vaccination that does not appear on this list, a free consultation is the most reliable way to determine whether a flu vaccine VICP claim may be viable.

On-Table Flu Vaccine Injuries and Off-Table Claims

Not all flu vaccine injury claims follow the same legal path. Understanding the distinction between on-table and off-table claims is important before you begin the process of filing a VICP claim.

On-Table Flu Vaccine Injuries

On-table flu vaccine injuries are conditions listed on the Vaccine Injury Table that developed within the required timeframe after vaccination. For the influenza vaccine, four conditions qualify as on-table injuries:

Anaphylaxis, when it occurs within four hours of vaccination
SIRVA, when symptoms begin within 48 hours of an intramuscular injection
Vasovagal syncope, when it occurs within one hour of vaccination
GBS after flu shot, when the first symptom or manifestation of onset occurs between three and 42 days after vaccination and the condition meets the Table’s other diagnostic criteria

For these claims, causation is legally presumed, meaning the burden shifts to the government to disprove the connection rather than requiring you to prove it.

Off-Table Flu Vaccine Injuries

Off-table flu vaccine injuries include all other serious conditions associated with the flu vaccine: CIDP, transverse myelitis, brachial neuritis when following a flu shot, MS, and others. These claims require presenting medical and scientific evidence establishing that the vaccine caused your condition.

Off-table claims are more complex and benefit significantly from legal representation that understands the science behind vaccine-induced injury. Our firm has successfully pursued multiple off-table flu vaccine injury claims, including cases involving CIDP, brachial neuritis, and other complex neurological conditions.

If you are unsure whether your condition qualifies as an on-table or off-table flu vaccine VICP claim, a free consultation can help you understand your legal position before you take any other steps.

A First-of-Its-Kind Victory: Flu Vaccine Causing Multiple Sclerosis

Multiple sclerosis is a chronic autoimmune disease affecting the central nervous system. It causes the immune system to attack the myelin sheath surrounding nerve fibers in the brain and spinal cord, disrupting the transmission of nerve signals and producing symptoms that can include vision problems, fatigue, weakness, numbness, and difficulty with coordination and balance. MS is a lifelong condition that can progress significantly over time.

Pursuing a VICP claim for MS following influenza vaccination required presenting a case-specific medical and scientific causation argument that had not previously succeeded in that context. Our firm developed the claim through medical literature, expert analysis, and evidence addressing the client’s individual clinical history.

That result demonstrates that an MS claim following influenza vaccination may be considered under the VICP when supported by appropriate case-specific evidence. It does not establish causation in every case, but it may be relevant to evaluating whether a particular patient’s medical history and symptom timeline warrant further investigation.

If you have been diagnosed with MS and received a flu shot in the months before your symptoms began, we encourage you to reach out for a free consultation before concluding that a flu vaccine VICP claim is not possible in your situation.

Our Results in Flu Vaccine Injury Cases

Our firm has secured significant recoveries for clients injured by the influenza vaccine across a range of conditions and circumstances. The following results reflect the depth of our experience with the flu vaccine specifically:

$5.33 million: Settlement for a 42-year-old father of two who developed CIDP after the influenza vaccine
$750,000: Recovery for an adult male who developed CIDP after the influenza vaccine
$682,870: Recovery for a 56-year-old Texas man who developed CIDP after the influenza vaccine
$500,000: Recovery for an adult female who developed CIDP after the influenza vaccine
$200,000: Recovery for an adult male who developed incomplete Brown-Sequard syndrome after the influenza vaccine
$150,000: Recovery for an adult female who developed atypical GBS, CIDP, and neurogenic bladder after the influenza vaccine
$125,000: Recovery for a 45-year-old woman who developed frozen shoulder and rotator cuff damage requiring surgery after the influenza vaccine
$90,000: Recovery for a man who developed brachial neuritis, brachial plexus injury, and shoulder damage after the influenza vaccine
$60,000: Recovery for a woman who developed brachial neuritis after the influenza vaccine
$50,447: Recovery for a man who developed SIRVA after the influenza vaccine

These results span multiple injury types, multiple client profiles, and a wide range of compensation amounts, reflecting both the breadth of our flu vaccine injury experience and our commitment to pursuing full compensation for our clients, regardless of the complexity of the claim.

Why Choose Sadaka Law for Your Flu Vaccine Injury Claim?

The flu vaccine is the most common source of VICP claims, and it is the vaccine our firm has handled more than any other over more than two decades of practice. Here is what having Sadaka Law’s experience in your corner means for your claim.

More Than 20 Years Handling Flu Vaccine Injury Claims

Attorney Mark Sadaka has been handling flu vaccine injury claims through the VICP for over 20 years and has represented more than 450 vaccine injury clients nationwide. A significant portion of those clients came to us with flu vaccine injuries, ranging from relatively straightforward on-table SIRVA and GBS after flu shot claims to complex off-table cases involving CIDP, brachial neuritis, and other serious conditions. That volume of experience with claims involving flu shot injury and side effects means we recognize the patterns, anticipate the challenges, and know how to position flu vaccine injury claims for the best possible outcome.

Our First-of-Its-Kind Result in a Novel Flu Vaccine Claim

Our firm obtained what we understand to be the first compensated VICP result in a case alleging that an influenza vaccine caused multiple sclerosis. That victory reflects a willingness to pursue novel, scientifically complex claims that other firms might decline, and it is the direct result of the scientific and medical depth Attorney Mark Sadaka brings to every case. If you have a flu vaccine injury that has been described as too unusual or too complex to pursue, we encourage you to get a second opinion from our team.

Track Record Built on Flu Vaccine Injury Cases

Our flagship result of $5.33 million involved a client who developed CIDP after a flu shot. Beyond that, our results page lists multiple additional significant recoveries for flu vaccine injury clients. This breadth of outcomes reflects our consistent preparation, scientific credibility, and commitment to pursuing full compensation in every case we handle.

Take the First Step Toward Your Flu Vaccine Injury Claim With a Free Consultation With Sadaka Law

If your health changed after a flu shot and you believe the vaccine may be responsible, do not wait to find out whether you have a claim. The VICP's three-year filing deadline runs from the date of your first symptom.

Call Sadaka Law today at 201-904-3994 or fill out our online contact form for a free consultation, and let us provide the answers to your vaccine injury claim questions. We recognize just how serious flu shot injury and side effects can be, and we never treat these matters as routine cases. Our firm consistently builds claims through in-depth analysis, thorough documentation, and medical fluency that matters.

Frequently Asked Questions About Flu Vaccine Injury Claims

It depends on how long your symptoms have lasted and how they have affected your life. Normal soreness at the injection site that resolves within a day or two does not typically qualify as a compensable vaccine injury. However, if you have experienced persistent shoulder pain, limited range of motion, weakness, or other symptoms lasting more than a few weeks after your flu shot, those symptoms may indicate a more serious injury, such as SIRVA. The VICP requires that a qualifying injury persist for more than six months, require hospitalization and surgical intervention, or result in death. If your symptoms have been ongoing, a free consultation is the most reliable way to assess whether your situation meets that threshold.
GBS is listed on the Vaccine Injury Table for seasonal influenza vaccines with a required onset period of three to 42 days after vaccination. If the first symptom or manifestation of onset occurred within that window and the condition meets the Table’s full diagnostic definition, causation may be presumed. If the onset occurred outside that period, the claim may instead need to proceed as an off-Table claim supported by medical and scientific causation evidence. Either way, speaking with a vaccine injury attorney promptly is important, since the three-year filing deadline begins from the date of your first symptom.
Not necessarily. A VICP claim is specific to the vaccination that caused your injury, identified by the date of administration and the onset of your symptoms. The fact that you have received flu shots in prior years does not disqualify you from filing a claim based on a specific vaccination that was followed by a serious adverse event. Your attorney will help you identify which vaccination is most likely associated with your injury based on the timing of your symptoms and your medical records.
Possibly. A treating physician's opinion is one piece of evidence in a VICP proceeding, but it is not the final word. Special masters evaluate the full body of medical and scientific evidence presented, including expert reports and peer-reviewed literature. Many successful flu vaccine injury claims have proceeded over initial skepticism from treating physicians. If you believe there is a connection between your flu shot and your neurological condition, a consultation with a vaccine injury attorney who understands the underlying science is the right next step.
It may create challenges, but it does not necessarily end your claim. The VICP's filing deadline is based on the date of your first symptom, not the date of your first medical visit. If there is a gap between when your symptoms began and when you first sought treatment, your attorney will need to address that gap and establish the symptom onset date through available evidence. Acting now, by consulting an attorney and gathering your medical records, is the most important step you can take, regardless of how long you waited to seek initial treatment.