Woman, 65, Experiences Terrifying Hallucinations After Taking Too Much Aspirin for Back Pain

A 65 year old woman experienced frightening visual hallucinations after accidentally taking excessive amounts of aspirin for several weeks, according to a medical case report. The woman reportedly began seeing people she believed were dead and even fired a gun at one of the apparitions before seeking emergency medical attention.

The unusual case highlights the potential dangers of aspirin overuse, particularly among older adults, and demonstrates why unexpected changes in behaviour or mental health should not always be attributed to psychiatric conditions.

Doctors who examined the woman discovered that her symptoms were linked to dangerously elevated levels of salicylates, compounds found in aspirin. Her condition improved after medical treatment, and her hallucinations eventually disappeared.

Woman Seeks Emergency Help After Seeing Dead People

The woman was taken by ambulance to an emergency department in Detroit, Michigan, after experiencing disturbing visual hallucinations.

According to the report, she told medical staff that she was seeing dead people. She also disclosed that she had fired a gun at one of the figures she believed she could see.

The incident raised concerns about her mental health and immediate safety. However, the woman had no known history of psychiatric disorders, prompting doctors to investigate possible physical causes before concluding that she was experiencing a mental health condition.

Medical staff described her as calm, cooperative and alert during the initial examination. Although most of her vital signs were within normal ranges, her blood pressure was elevated.

Further investigations revealed a more serious underlying problem.

Blood Tests Reveal Aspirin Toxicity

Blood tests showed that the woman's blood was acidic, a condition known as metabolic acidosis. Additional testing identified elevated salicylate concentrations, indicating that she had taken too much aspirin.

When doctors questioned her about her medication use, they discovered that she had been taking large quantities of aspirin to manage persistent back pain.

The woman reportedly used tablets containing 500 milligrams of aspirin and admitted to taking more than 15 pills a day over several weeks.

This amount substantially exceeded the recommended short term dosing guidance for aspirin used to relieve pain.

The case illustrates how a medicine commonly found in household cupboards can become dangerous when taken in excessive quantities. Aspirin is widely used for headaches, muscle aches and other types of pain. It is also prescribed in low doses for certain patients to reduce the risk of blood clots.

However, taking too much can cause toxicity and potentially life threatening complications.

How Excessive Aspirin Use Can Affect the Brain

Aspirin toxicity can cause a variety of symptoms, depending on how much has been taken, how frequently it has been used and the individual's overall health.

Acute poisoning occurs when someone takes a large amount over a relatively short period. Symptoms may include nausea, vomiting, abdominal pain, dizziness, fever, rapid breathing and ringing in the ears, a condition known as tinnitus.

Long term or repeated excessive use can produce a different pattern of symptoms. These may develop gradually and initially appear relatively mild or unrelated to medication.

Possible warning signs include confusion, dehydration, changes in mental awareness, elevated blood pressure and unusual behaviour.

In more serious cases, salicylate toxicity can affect the central nervous system, resulting in delirium and hallucinations.

These neurological symptoms can make the condition difficult to recognise. Someone experiencing confusion or seeing things that are not present may initially be suspected of having a psychiatric illness or another neurological disorder.

The medical report emphasised the importance of considering medication toxicity when older patients develop unexplained psychological or neurological symptoms.

Why Older Adults May Face Additional Risks

Older adults can be particularly vulnerable to medication related complications. Age related changes in kidney function, existing medical conditions and the use of several medicines at once can complicate how the body processes and eliminates certain drugs.

Repeatedly taking more medication than recommended can increase the risk of harmful substances accumulating in the body.

Aspirin is widely available, and its familiarity may lead some people to underestimate its potential risks. However, over the counter availability does not mean a medicine is harmless at any dose.

Persistent pain can also encourage people to take additional tablets when their symptoms do not improve. Anyone who regularly needs more than the recommended amount of pain relief should seek advice from a pharmacist or healthcare professional rather than increasing the dose independently.

People who take aspirin regularly for a prescribed medical reason should not change or discontinue their treatment without consulting their clinician.

How Doctors Treated the Woman

Following confirmation of elevated salicylate levels, the medical team consulted the Michigan Poison and Drug Information Centre.

The woman received treatment through an intravenous drip while doctors monitored her condition and the levels of salicylates in her blood.

The report documented improvement during the following hours. After approximately 11 hours, her blood salicylate levels had decreased. Within 48 hours, her visual hallucinations had resolved.

She was subsequently discharged from hospital.

Because her hallucinations had disappeared and the medical team had no concerns about self harm, a psychiatric consultation was not considered necessary, according to the report.

Her recovery highlighted the importance of identifying and treating the underlying physical cause rather than assuming that unusual behaviour necessarily indicates a primary psychiatric disorder.

How Much Aspirin Is Safe to Take?

Aspirin dosing depends on the reason it is being used, the strength of the tablets and an individual's medical circumstances.

The NHS advises that adults using standard 300 milligram aspirin tablets for pain relief generally take one to three tablets per dose, leaving at least four hours between doses and taking no more than four doses in 24 hours. This guidance applies to short term pain relief and should not be interpreted as permission to exceed the recommended dose or use aspirin excessively over several weeks.

Different products may have different instructions. People should always check the packaging and follow advice from a pharmacist or healthcare professional.

Anyone who accidentally takes too much aspirin should seek urgent medical advice, even if they initially feel well. Symptoms of poisoning may not always be obvious at first.

In the UK, people can contact NHS 111 for urgent advice about medication concerns. Severe symptoms, including difficulty breathing, collapse, seizures or serious confusion, require emergency assistance through 999.

Warning Signs That Should Never Be Ignored

Aspirin toxicity can be challenging to identify because its symptoms may resemble other illnesses.

Warning signs can include persistent vomiting, ringing in the ears, rapid breathing, dizziness, fever, confusion and unusual changes in behaviour. Hallucinations are a particularly concerning symptom that requires immediate medical assessment.

People should also seek prompt medical attention for signs of serious aspirin related complications, including vomiting blood, black tar like stools, severe stomach pain or difficulty breathing.

The absence of obvious symptoms does not guarantee that an excessive dose is safe.

The case also serves as a reminder that medication histories are an important part of medical assessments, especially when someone develops sudden or unexplained changes in their mental state.

A Reminder About the Risks of Everyday Medicines

The woman's experience demonstrates how taking excessive quantities of a familiar painkiller can have unexpected and potentially dangerous consequences.

Although aspirin remains an important medicine for pain relief and the prevention of certain cardiovascular complications, it must be used according to appropriate medical guidance.

The doctors involved in the case urged healthcare professionals to remain alert to the possibility of chronic salicylate toxicity, particularly when older patients present with neurological or psychiatric symptoms.

For the public, the central lesson is straightforward: taking more medication than recommended can be dangerous, even when the medicine is readily available without a prescription.

Anyone experiencing persistent pain should seek professional advice instead of repeatedly increasing their dose. Early recognition of medication toxicity can help prevent serious complications and ensure that patients receive the treatment they need.

Source

The Sun, published on 8 October 2026.

Disclaimer

This article is intended for general informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis or treatment. Medication doses and treatment recommendations vary depending on individual circumstances. Always follow the instructions provided with your medication and consult a qualified healthcare professional if you have questions about its use. If you suspect an aspirin overdose or experience severe symptoms, seek urgent medical assistance. Do not delay emergency care while waiting for symptoms to worsen.