Tepezza Hearing Loss and Tinnitus Lawsuits

Research has linked Tepezza with permanent hearing loss and tinnitus (ringing in the ears). Dozens of lawsuits have already been filed against Horizon Therapeutics. These lawsuits claim the company knew about the danger but failed to warn patients about these side effects.

If you or a loved one has experienced hearing loss or tinnitus after taking Tepezza for thyroid eye disease, you may be able to join the multidistrict litigation against Horizon.

The experienced dangerous drug lawyers at Lynch Law Firm, PC, know the profound impact hearing issues can have on your life. We are committed to seeking the maximum compensation to help you and your family during this challenging time.

We have decades of experience securing justice and compensation for victims of personal injuries. We offer potential clients a free initial legal consultation and do not charge fees up front. There is no financial risk in calling our firm to learn how we may be able to help.

Do you have questions about a Tepezza hearing loss lawsuit? Call today: (800) 518-0508.

Who May Be Eligible To File a Lawsuit?

Eligibility depends on several factors, including the timing of the hearing issues relative to the treatment, the severity of the symptoms and the absence of other causes for these symptoms. Our legal team is adept at reviewing medical records and histories to determine if Tepezza could be the culprit behind your hearing loss or tinnitus.

Determining your eligibility to file a Tepezza lawsuit is a critical first step towards seeking justice and compensation for your injuries and damages.

Patients who have taken Tepezza (teprotumumab) for thyroid eye disease and suffered hearing loss or tinnitus may qualify to file a lawsuit. That said, there are many factors your lawyer must consider about your eligibility:

Diagnosis of Thyroid Eye Disease and Tepezza Treatment

You must have been diagnosed with thyroid eye disease and received Tepezza treatment. Documentation of your diagnosis and treatment records (number of infusions, etc.) will be essential in establishing the basis for your claim.

Timing and Onset of Hearing Loss or Tinnitus

There should be a clear timeline that connects the onset of hearing loss or tinnitus symptoms to your treatment with Tepezza. Your lawyer needs compelling evidence that your treatment may be responsible for your hearing issues.

Your lawyer will likely want to answer questions like:

  • When were you diagnosed with hearing issues?
  • Did your doctor say your hearing loss may have been caused by Tepezza?
  • Did your doctor provide treatment for any other injuries related to Tepezza?

Other Potential Causes of Hearing Issues

Your lawyer must also rule out other potential causes of hearing loss or tinnitus, such as age-related hearing loss, exposure to loud noises or preexisting conditions. Medical evaluations and expert testimonies can help isolate Tepezza as the probable cause of your symptoms.

Impact on Quality of Life

This refers to the ways your hearing loss or tinnitus have affected your daily life, ability to work and overall well-being. Evidence of the negative impact on your quality of life can strengthen your case for compensation.

Our experienced legal team reviews clients’ medical histories, treatment records and personal accounts of how the symptoms have affected their lives to determine eligibility.

There is limited time to take legal action, so it is important to act quickly to protect your rights.

Zero upfront costs. Call Lynch Law Firm, PC today: (800) 518-0508.

The Dangers of Tepezza

Tepezza (teprotumumab) is a breakthrough treatment for thyroid eye disease (TED) that was approved by the Food and Drug Administration (FDA) in 2020. Tepezza is currently the only drug on the market for treatment of TED.

However, like all medications, it comes with its own set of risks and side effects:

Hearing Impairment

A significant number of patients have reported partial or complete hearing loss after starting their Tepezza treatment. This can range from mild to severe and may be temporary or permanent.

Approximately 10 percent of patients in the clinical trials reported hearing issues after taking Tepezza. Then, in 2021, the Endocrine Society published a study that found 65 percent of those who took Tepezza developed hearing loss and other hearing problems.

Horizon Therapeutics added a warning to Tepezza labels about hearing impairment. The warning notes that the drug may cause severe hearing impairment. This may include permanent hearing loss. Doctors should evaluate patients’ hearing before, during and after treatment. The benefits of the drug should be weighed against the risks.


Ringing or buzzing noises in one or both ears, known as tinnitus, has been a common complaint among Tepezza users.

Muscle Spasms and Cramps

Patients have reported experiencing uncomfortable muscle spasms or cramps, which can be both painful and disruptive to daily activities.

Other Reported Side Effects

  • Infusion reactions: Some individuals have experienced reactions during or shortly after their Tepezza infusions, including fever, chills and blood pressure changes.
  • Gastrointestinal issues: Nausea, diarrhea and other gastrointestinal problems have been noted, all of which can affect nutrition and overall health.
  • Fatigue and weakness: A general feeling of tiredness and weakness has been reported, which can impact a person’s ability to perform work, engage in social activities and enjoy life.

Tepezza-related hearing loss is permanent for some patients. Those who do not suffer hearing loss may experience tinnitus, which can have a negative effect on quality of life. Chronic tinnitus can hurt an individual’s mental health, social interaction and the ability to work.

If you are dealing with tinnitus or hearing loss from Tepezza, consider consulting an experienced lawyer to review possible legal options.

Defining Thyroid Eye Disease

Thyroid eye disease, also known as Graves’ orbitopathy, is an autoimmune condition that affects the muscles and tissues around the eyes. Symptoms can include eye bulging, double vision and discomfort.

TED is often associated with Graves’ disease, a disorder characterized by an overactive thyroid (hyperthyroidism). TED can also occur in individuals with normal thyroid function or hypothyroidism. The disease manifests when the immune system mistakenly attacks the muscles and tissues around the eyes, leading to inflammation and swelling.

TED symptoms can cause mild discomfort in some patients, while others suffer severe visual impairment. Common symptoms include:

  • Proptosis (eye bulging): Your eyes protrude forward due to swelling in the orbit.
  • Redness and swelling: The eyelids and area around the eyes become inflamed, causing discomfort and a noticeable change in appearance.
  • Double vision: Muscle swelling can lead to misalignment of the eyes, causing diplopia or double vision.
  • Dryness and gritty sensation: Affected individuals often experience dry, irritated eyes, feeling as if there is something gritty in them.
  • Pressure or pain: Swelling can create a sensation of pressure or pain in and around the eyes.

Damages for a Tepezza Hearing Loss Lawsuit

If you took Tepezza and suffered hearing loss or tinnitus, you can seek compensation for the cost of medical treatment, such as the cost of a hearing aid.

Other forms of compensation in a Tepezza lawsuit may include:

  • Lost wages if the condition causes you to miss work
  • Loss of earning capacity if you need to change careers or work less
  • Pain and suffering
  • Lost enjoyment of life
  • And more

The emotional and psychological toll of hearing loss and tinnitus cannot be understated, and our firm is committed to ensuring that these aspects are fully considered in any legal action.

Have Any Tepezza Lawsuits Been Settled?

As of February 2024, there have not been any settlements or verdicts for Tepezza lawsuits. In June 2023, a multidistrict litigation (MDL) was created to consolidate Tepezza lawsuits in the United States District Court for the Northern District of California. As of February 1, 2024, there were 74 actions pending the MDL.

One of the first Tepezza lawsuits was filed in 2022 by a man from Arizona. He was diagnosed with TED and prescribed Tepezza between June and September of 2020. The plaintiff and his doctor say they were not aware of the risks.

His lawsuit says the manufacturer knew of the danger because of many reports from patients, scientific studies and post-market studies done by Horizon Pharmaceuticals. Despite these reports, the lawsuit says the defendant did not warn patients and doctors of the risks.

The lawsuits in the MDL make similar allegations about the dangers of Tepezza and the manufacturer’s failure to warn.

Call Lynch Law Firm, PC To Discuss a Tepezza Hearing Loss Lawsuit

The decision to take legal action is not one to be taken lightly. However, if you have suffered hearing loss or tinnitus after taking Tepezza, pursuing a lawsuit can be a step towards obtaining compensation for your damages. Our legal team is here to guide you through every step of the process, advocating for your rights and best interests.

For more information or to schedule your free consultation, please contact us today. Let Lynch Law Firm, PC be your advocate in this challenging time as you focus on your health and wellbeing.

Proven Results. No Upfront Costs. Call: (800) 518-0508.

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