Aspirin overdose

An overdose of aspirin means you have too much aspirin in your body.

This can happen in two ways:

If a person accidentally or intentionally takes a very large dose of aspirin at one time, it is called an acute overdose.

If a normal daily dose of aspirin builds up in the body over time and causes symptoms, it is called a chronic overdose. This may happen if your kidneys do not work correctly or when you are dehydrated. Chronic overdoses are usually seen in older people during hot weather.

This is for information only and not for use in the treatment or management of an actual overdose. DO NOT use it to treat or manage an actual overdose. If you or someone you are with overdoses, call your local emergency number (such as 911), or your local poison center can be reached directly by calling the national toll-free Poison Help hotline (1-800-222-1222) from anywhere in the United States.

Poisonous Ingredient

Acetylsalicylic acid

Where Found

Acetylsalicylic acid (aspirin) can be found in many prescription and over-the-counter pain relievers, including:

• Alka Seltzer
• Anacin
• Bayer
• Bufferin
• Ecotrin
• Excedrin
• Fiorinal
• Percodan
• St. Joseph's

Note: This list may not be all-inclusive.

Symptoms

Symptoms of acute overdose may include:

• Upset stomach and stomach pain
• Nausea
• Vomiting, may cause an ulcer or irritation of the stomach known as gastritis

  Gastritis

  Gastritis occurs when the lining of the stomach becomes inflamed or swollen. Gastritis can last for only a short time (acute gastritis). It may als...

   

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Symptoms of chronic overdose may include:

• Fatigue
• Slight fever
• Confusion
• Collapse
• Rapid heart beat
• Uncontrollable rapid breathing

  Rapid breathing

  Hyperventilation is rapid and deep breathing. It is also called overbreathing, and it may leave you feeling breathless.

   

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Large overdoses may also cause:

• Ringing in the ears

  Ringing in the ears

  Tinnitus is the medical term for "hearing" noises in your ears. It occurs when there is no outside source of the sounds. Tinnitus is often called "r...

   

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• Temporary deafness
• Hyperactivity

  Hyperactivity

  Hyperactivity means having increased movement, impulsive actions, and a shorter attention span, and being easily distracted.

   

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• Dizziness

  Dizziness

  Dizziness is a term that is often used to describe 2 different symptoms: lightheadedness and vertigo. Lightheadedness is a feeling that you might fai...

   

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• Drowsiness

  Drowsiness

  Drowsiness refers to feeling abnormally sleepy during the day. People who are drowsy may fall asleep in inappropriate situations or at inappropriate...

   

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• Hyperactivity

  Hyperactivity

  Hyperactivity means having increased movement, impulsive actions, and a shorter attention span, and being easily distracted.

   

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• Seizures
• Coma

Before Calling Emergency

The following information is helpful for emergency assistance:

• Person's age, weight, and condition
• Name of the product (ingredients and strengths, if known)
• Time it was swallowed
• Amount swallowed

However, DO NOT delay calling for help if this information is not immediately available.

Poison Control

Your local poison center can be reached directly by calling the national toll-free Poison Help hotline (1-800-222-1222) from anywhere in the United States. This hotline number will let you talk to experts in poisoning. They will give you further instructions. This is a free and confidential service.

All local poison control centers in the United States use this national number. You should call if you have any questions about poisoning or poison prevention. You can call 24 hours a day, 7 days a week.

What to Expect at the Emergency Room

The health care provider will check your temperature, pulse, breathing rate, and blood pressure.

Treatment depends on the amount of aspirin, the time you swallowed it, and your overall condition when you reach the emergency room. You may receive:

• Activated charcoal
• Airway support, including oxygen, breathing tube through the mouth (intubation),and ventilator (breathing machine)
• Blood and urine tests
• Chest x-ray
• EKG (electrocardiogram, or heart tracing)
• Fluids through the vein (intravenous or IV)
• Laxative
• Medicines to treat symptoms

Other medicines may be given through a vein, including potassium salt and sodium bicarbonate, which helps the body remove aspirin that has already been digested.

If these treatments do not work or the overdose is extremely severe, hemodialysis (kidney machine) may be needed to remove aspirin from your blood.

Very rarely, a breathing machine may be needed. But many poisoning experts think this causes more harm than good, so it is only used as a very last resort.

Outlook (Prognosis)

A toxic dose of aspirin is 200 to 300 mg/kg (milligrams per kilogram of body weight), and ingestion of 500 mg/kg is potentially lethal. Much lower levels can affect children.

If treatment is delayed or the overdose is large enough, symptoms will continue to get worse. Breathing becomes extremely fast or may stop. Seizures, high fevers, or death may occur.

How well you do depends greatly on how much aspirin your body has absorbed and how much is flowing through your blood. If you take a large amount of aspirin but come quickly to the emergency room, treatments may help keep your blood levels of aspirin very low. If you do not get to the emergency room fast enough, the level of aspirin in your blood can become dangerously high.