Can Ear Infections Actually Cause Seizures?

Many wonder if an ear infection can lead to a seizure. This article clarifies the relationship between these two conditions. It covers what ear infections and seizures are, how they might be linked, and when medical attention is necessary.

What is an Ear Infection?

An ear infection, medically known as otitis media, is an inflammation or infection of the middle ear. This air-filled space behind the eardrum can become infected by bacteria or viruses. Infections often develop after a cold, flu, or allergy causes swelling and congestion, leading to fluid buildup behind the eardrum.

Common symptoms include ear pain and fever. Young children might also show irritability, tug at their ear, or have trouble sleeping. Fluid or discharge may drain from the ear, and hearing can be temporarily affected.

Understanding Seizures

A seizure is a sudden, uncontrolled burst of electrical activity in the brain that temporarily disrupts normal brain function. This abnormal activity can lead to changes in movement, sensation, behavior, or awareness. Seizures can manifest in various ways, from a blank stare or subtle twitching to generalized body movements and loss of consciousness.

The most relevant type of seizure in the context of ear infections is a febrile seizure. A febrile seizure is a convulsion in a child caused by a fever, occurring between 6 months and 5 years of age. These seizures are usually brief, lasting from a few seconds to up to 15 minutes, and are often harmless.

The Link Between Ear Infections and Seizures

Ear infections themselves do not directly cause seizures in most instances. The connection is indirect: ear infections often result in a fever, and elevated body temperature in young children can trigger a febrile seizure. Febrile seizures commonly occur during the first 24 hours of a fever, sometimes even before other signs of illness appear.

Febrile seizures are considered provoked seizures, meaning they are caused by a specific trigger like fever, and they do not indicate epilepsy. While frightening to witness, simple febrile seizures typically do not cause long-term health problems or brain damage. Most children outgrow the risk of febrile seizures by age 6.

In extremely rare cases, an untreated or severe ear infection could lead to more serious complications that might involve seizures. These complications include the spread of infection to the brain, potentially causing conditions like bacterial meningitis or a brain abscess. However, with modern medical care and widespread antibiotic use, such severe complications are very uncommon.

When to Seek Medical Help

If a child has symptoms of an ear infection, such as persistent ear pain, a fever of 102.2°F (39°C) or higher, or fluid draining from the ear, medical attention is recommended. Contact a doctor if symptoms do not improve within two to three days, or if they worsen. For infants under 12 months with earache, or if hearing loss is suspected, a medical evaluation is important.

If a child experiences a seizure, immediate medical attention is necessary, especially if it is their first seizure. Call emergency services if the seizure lasts longer than 5 minutes, if the child has difficulty breathing, or if they do not regain responsiveness after the seizure. Any seizure accompanied by injury, a stiff neck, or extreme sleepiness warrants emergency evaluation.