Depo-Provera Brain Tumor Symptoms: 8 Signs to Be Aware Of

If you’re one of the millions of women who use (or have used) Depo-Provera for birth control and you’ve been feeling unwell in ways that aren’t always easy to explain, this article is for you.

Since 2024, an influx of legal claims (and some noteworthy medical research) have raised awareness of a very serious matter: the link between Depo-Provera and a type of brain tumor known as a meningioma. Meningiomas are usually benign, but they can still have life-altering effects depending on where they grow and how long they go undetected.

While this article is by no means a substitute for medical advice, we’d like to provide you with some information to help you recognize the most common warning signs. If any of these symptoms feel familiar, schedule a doctor’s consultation as soon as you can. In the unlikely event that you do have a meningioma, it’s extremely important to get treatment as soon as possible. Speed is paramount – the longer it is left untreated and allowed to develop, the greater the impact on your life.

What’s the Link Between Depo-Provera and Brain Tumors?

Depo-Provera is a contraceptive injection that releases medroxyprogesterone acetate (MPA), a synthetic version of the hormone progesterone. The drug is extremely convenient since it only has to be injected once every three months. It’s also highly effective, making it one of the most popular forms of birth control in the world since the 1990s. 

In 2024, however, the women across the globe were stunned to learn that this convenience and efficiency came with a very distinct risk.

In March of that year, a large-scale study published in the British Medical Journal found that using MPA for longer than a year resulted in a shocking 5.6-times greater risk of developing meningiomas. This study became the foundation for a wave of lawsuits, with plaintiffs arguing that Pfizer, Depo-Provera’s manufacturer, knew or should have known about these risks but failed to warn U.S. patients appropriately. While brain tumor warnings were issued in Europe as early as 2023, no equivalent caution appeared in the United States.

This has raised serious questions not just about product safety, but about the responsibilities pharmaceutical companies have when it comes to transparency and consumer protection.

Understanding Meningiomas

Meningiomas are tumors that form in the meninges – the protective membranes that surround your brain and spinal cord. They’re technically classified as brain tumors, but they don’t develop in the brain tissue itself. Instead, they grow alongside it, which means they can place pressure on the brain, interfere with its function, and cause severe health issues for the patient.

Roughly one in three brain tumors diagnosed in the U.S. is a meningioma, and most are non-cancerous (benign). That said, their effects can still be serious, affecting the patient’s life in many, extremely invasive ways, especially if they are allowed to develop without treatment. As they grow, meningiomas become more likely to interfere with a brain’s function, often pressing against nearby nerves and other vital brain structures, leading to the symptoms we discuss below. 

In some cases, they may remain small and symptomless for years. In others, they can grow aggressively and require surgery, radiation, or long-term medical management.

There are three main types of meningiomas:

• Grade I (Benign): The most common type. These tumors grow slowly and are generally easier to remove surgically.
• Grade II (Atypical): These grow more quickly and are more likely to return after treatment.
• Grade III (Anaplastic or Malignant): These are rare but aggressive and can invade surrounding brain tissue or recur frequently.

What makes meningiomas especially complex is that their symptoms often mirror more common conditions like migraines, anxiety, or hormonal changes. That’s why awareness, especially among Depo-Provera users, is so important.

What’s Happening Legally: The Depo-Provera Lawsuits

Since October 2024, more than 120 women across the U.S. have filed lawsuits against Pfizer after being diagnosed with brain tumors following long-term Depo-Provera use.

The first was filed in California by Ms Kristina Schmidt, who used the drug for over 16 years before undergoing surgery for a meningioma. Similar claims followed in Indiana and California, with plaintiffs like Lesley Noble and Monique Jones reporting years of injections and serious neurological symptoms.

These cases are now gaining traction nationwide. A second major lawsuit, Kathleen Fazio v. Pfizer, has raised the possibility of multidistrict litigation—an early sign that more claims may be on the way.

At the heart of the lawsuits is a central allegation: that Pfizer failed to warn U.S. users about the risks of brain tumors, despite issuing clearer warnings in Europe as early as 2023. For women affected, these lawsuits offer a potential road toward justice, holding a negligent manufacturer accountable, and recovering financially from the impact of their illness.

If you’ve used Depo-Provera for a year or more and are now dealing with the symptoms below, you may be eligible for compensation. The lawsuits currently underway are focused on cases just like yours—women who trusted this medication and were never warned about the risks.

Tosi Law is here to help you understand your options. We offer free consultations, no upfront costs, and a legal team that treats every case with the care it deserves. 

If you want to discuss your legal options with an expert on the Depo-Provera brain tumor lawsuit, reach out to our team of dedicated case specialists today.

8 Symptoms of Meningioma You Shouldn’t Ignore

Meningiomas usually grow slowly. That means symptoms can creep in gradually and there’s a strong likelihood that you won’t connect them to anything noteworthy, especially if they overlap with menopause or a period of prolonged stress.

That’s why information and awareness are your biggest allies here. So let’s walk through the most common signs that may suggest a meningioma might be developing. 

1. Persistent, Unusual Headaches

Everyone gets the occasional headache but persistent ones that change in intensity or location over time can signal something deeper. Meningiomas can increase pressure inside the skull, which may cause:

• Headaches that are worse in the morning.
• Pain that worsens when coughing or lying down.
• Pressure-like sensations behind the eyes or forehead.

These headaches might not respond to over-the-counter meds. If they’re new, frequent, or steadily getting worse, they’re worth checking out.

2. Vision Changes or Double Vision

Meningiomas near the optic nerves or occipital lobe (the part of the brain that processes vision) can cause visual disturbances that include:

• Blurred or dimmed vision.
• Double vision.
• Sudden loss of peripheral vision.
• Seeing flashing lights or spots.

Some women in ongoing lawsuits reported years of unexplained eye issues before finally receiving a diagnosis.

3. Hearing Loss or Ringing in the Ears (Tinnitus)

If the tumor grows near the temporal lobe or auditory nerves, it can affect hearing. Symptoms might include:

• Gradual or sudden hearing loss in one ear.
• Ongoing ringing or buzzing (tinnitus).
• Trouble following conversations, especially in noisy environments.

In some cases, this hearing loss may be mistaken for an inner ear problem, so be sure to mention your Depo-Provera history if this happens to you.

4. Seizures (Even Minor Ones)

One of the more serious symptoms of a brain tumor is a seizure. These don’t always look like the dramatic, full-body seizures people imagine. They can be subtle, especially at first. Watch for:

• Muscle twitching or jerking in one part of the body.
• Strange sensations, like a metallic taste or a sudden wave of déjà vu.
• Blank stares or brief lapses in awareness.

New-onset seizures in adults, especially without a clear cause, should always be investigated.

5. Changes in Mood or Personality

One of the most heartbreaking aspects of brain tumors is how they can alter a person’s emotional state or behavior without them realizing it. Tumors in the frontal lobe – the part of the brain that governs personality, judgment, and decision-making – can cause:

• Irritability or unexplained anger.
• Loss of motivation or energy.
• Social withdrawal or depression.
• Difficulty concentrating or following conversations.

Loved ones often notice these changes before the person affected does.

6. Cognitive or Memory Issues

Meningiomas can interfere with memory and processing. If you find yourself:

• Frequently forgetting appointments or conversations.
• Losing your train of thought mid-sentence.
• Struggling to focus or complete tasks that used to be easy.

…it could be more than “mom brain” or stress. Especially if these changes appear gradually but persist.

7. Balance Problems or Muscle Weakness

A tumor pressing on the cerebellum (which helps with coordination) or motor cortex (which controls movement) can result in:

• Unexplained clumsiness or tripping.
• Weakness on one side of the body.
• Numbness or tingling in your arms or legs.
• Difficulty walking in a straight line.

These symptoms can mimic other conditions like multiple sclerosis or nerve compression, so clear imaging is important for diagnosis.

8. Difficulty Speaking or Finding Words

Speech and language are controlled by specific areas of the brain, and pressure on these regions can cause:

• Word-finding issues or “tip-of-the-tongue” delays are more frequent than usual.
• Slurred speech or mixing up words without realizing it.
• Trouble following fast-paced conversations or forming coherent sentences.

If speaking becomes noticeably more effortful, or if others are pointing it out, it’s time to consider a neurological evaluation.

What To Do If These Signs Sound Familiar

If any of these symptoms sound familiar, your next step is to speak with a doctor, ideally a neurologist, who can evaluate whether an MRI or CT scan would be appropriate. 

Be sure to mention your history with Depo-Provera, including how long you used it and when symptoms began, as this additional info may help their assessment. It’s also a good idea to start tracking your symptoms in a journal: note when they occur, how severe they are, and any changes over time. This kind of documentation can be useful both for diagnosis and, if applicable, for any legal claim you may choose to pursue.

Legal Options: You May Be Eligible for Compensation

If you’ve been diagnosed with a meningioma and used Depo-Provera for longer than a year, you may qualify for a lawsuit against Pfizer. These lawsuits claim that the company failed to warn users in the U.S., even though they issued safety warnings in Europe as early as 2023.

You may be eligible for compensation covering:

• Medical bills and treatment costs.
• Lost income from time off work.
• Pain and suffering.
• Long-term care or life disruption.

Each case is different, and time limits (called statutes of limitations) apply, so it’s important not to delay.

How Tosi Law Can Help

At Tosi Law, we specialize in cases where products cause harm to regular folk – people like who then need to manage intrusive, and often dangerous, health complications. 

Here’s what we offer.

Personalized, One-on-One Support

We don’t run a high-volume legal mill. When you contact us, you’ll speak with a real person – an in-house case specialist – who listens to your story, helps assess your eligibility, and guides you through the process with professionalism and empathy. 

Experience with Pharmaceutical Product Liability

The Depo-Provera lawsuit is a complicated matter. Lodging a claim and establishing a case involves medical records, long timelines, and a pharmaceutical behemoth with very deep pockets. Our team has handled many complex drug injury claims and we understand how to build a successful case.

From gathering medical records and timelines to working with expert witnesses and filing court documents, we know what needs to happen and we have the resources to make it happen. We’ll keep you updated throughout the process without overwhelming you, and we’ll never make decisions without your input.

No Upfront Costs, Ever

We work on a contingency basis. That means we don’t get paid unless you do. There are no hidden fees, no retainers, and no fine print. If your case is valid and we take it on, you owe nothing unless we win or obtain a settlement on your behalf.

Call Tosi Law if You Have Questions

If you or a loved one has developed multiple myeloma or any other type of cancer after being exposed to Roundup, you could be entitled to compensation. Please call Tosi Law LLP at 888-311-8292 for more information. Our defective product lawyers are ready to help you file a Roundup lawsuit.

Call Today

Final Thoughts

If these 8 Depo-Provera brain tumor symptoms resonate with you, remember that there’s no need to panic. But you do need to act.

If you’ve been using Depo-Provera and are noticing persistent headaches, vision changes, memory issues, or any other unusual neurological symptoms, speak to your doctor. The earlier a tumor is identified, the more treatment options you have.

And if you’re feeling overwhelmed or unsure about your legal rights, remember that you don’t have to navigate this alone, Tosi Law is here to support you. Whether it’s in helping you understand your claim’s eligibility, building your  case, or just having someone walk you through your options, we’re ready to help.

Call us today for a free consultation.