How to Know If Your Baby Has an Ear Infection

Babies with ear infections can’t tell you their ear hurts, but they show it through a predictable set of behavioral and physical signs. The most common clues are tugging or pulling at the ear, unusual fussiness, trouble sleeping, and fever. If your baby has had a cold or upper respiratory illness in the past week, these signs are even more likely to point to an ear infection.

Behavioral Signs to Watch For

Because babies can’t describe pain, you have to read their behavior. Ear infections cause significant pain and pressure inside the ear, and babies respond to that discomfort in ways that look different from ordinary crankiness. The key behavioral signs include:

  • Tugging or pulling at one or both ears. This is one of the most recognized signs, though some babies do this when tired or teething too. It becomes more meaningful when paired with other symptoms.
  • Unusual irritability or crying. The pain from an ear infection often intensifies when a baby lies down, because the position increases pressure on the eardrum. This is why fussiness tends to spike at bedtime and during night feedings.
  • Difficulty sleeping. Babies who were previously good sleepers may suddenly wake repeatedly or refuse to lie flat.
  • Loss of balance. If your baby is crawling or walking, you might notice wobbliness or clumsiness. The middle ear plays a role in balance, and fluid buildup disrupts it.
  • Not responding to sounds. Fluid behind the eardrum muffles sound. You might notice your baby doesn’t turn toward your voice or react to noises the way they normally would.

Physical Signs That Point to Infection

Beyond behavior changes, ear infections produce physical symptoms that help confirm what’s going on. Fever is common, especially in younger babies. The CDC flags two fever thresholds worth knowing: for babies under 3 months, a temperature of 100.4°F (38°C) or higher warrants a call to your pediatrician regardless of the suspected cause. For older infants and toddlers, a fever of 102.2°F (39°C) or higher alongside ear-related symptoms is a strong signal.

Fluid or pus draining from the ear is one of the more definitive signs. This happens when pressure from the infection causes the eardrum to rupture slightly, releasing the trapped fluid. It can look yellowish or whitish and may have an odor. While a ruptured eardrum sounds alarming, it typically heals on its own and often brings the baby quick pain relief because the pressure drops.

Loss of appetite is another clue, particularly during bottle feeding or breastfeeding. Sucking and swallowing change the pressure in the middle ear, which can make the pain worse.

Ear Infection or Teething?

This is one of the trickiest distinctions for parents, because teething and ear infections overlap in timing and share symptoms like fussiness, ear pulling, and disrupted sleep. A few differences help sort them out.

Teething typically does not cause a high fever or produce fluid drainage from the ear. If your baby has a fever above 102°F along with ear pulling, an infection is more likely than teething. Teething is more associated with increased drooling, swollen or tender gums, gnawing on fingers or toys, and a visible new tooth pushing through the gum line. Ear infections, by contrast, tend to follow a cold or respiratory illness and come with signs like trouble hearing and fluid from the ear canal. When you’re unsure, the timeline matters: if your baby was congested or had a runny nose in the days before the fussiness started, an ear infection is the more probable explanation.

Why Babies Get Ear Infections So Often

Ear infections are one of the most common reasons parents bring babies to the pediatrician, and anatomy is a big part of why. The tubes that connect the middle ear to the back of the throat are shorter, narrower, and more horizontal in babies than in adults. That makes them much easier to block. When a baby gets a cold, the swelling and mucus from the upper respiratory infection can trap fluid behind the eardrum, creating a warm, wet environment where bacteria or viruses thrive.

Several environmental factors raise the risk further. Babies exposed to secondhand smoke have higher rates of ear infections. Daycare attendance increases exposure to the colds that trigger infections. Feeding a baby while they’re lying flat can allow milk to flow toward those small drainage tubes, so keeping your baby upright during bottle feeding helps reduce risk. Air pollution also plays a measurable role: one study found that babies exposed to the highest levels of wood smoke were 32 percent more likely to visit a doctor for ear infections than those breathing the cleanest air.

What Happens at the Pediatrician’s Office

A pediatrician diagnoses an ear infection by looking at the eardrum with a small lighted instrument called an otoscope. They’re checking for specific visual signs: a bulging eardrum, redness, cloudiness, or visible fluid levels behind the membrane. A healthy eardrum looks translucent and pearly gray. An infected one looks swollen, red, and opaque. In some cases the doctor will use a small puff of air to see how the eardrum moves, since fluid behind it restricts normal movement.

The exam is quick, usually under a minute per ear, though your baby will likely protest being held still. It’s not painful, just uncomfortable and unfamiliar.

Treatment and Recovery Timeline

Not every ear infection needs antibiotics. Many mild infections, particularly in children over two, resolve on their own within a few days. Your pediatrician may recommend a “watch and wait” approach for 48 to 72 hours, managing pain in the meantime and starting antibiotics only if symptoms don’t improve or get worse.

When antibiotics are prescribed, improvement comes relatively fast. Fever typically breaks within 48 hours. Ear pain generally improves within two days and resolves by three days. It’s important to finish the full course of antibiotics even after your baby seems better.

For pain relief at home, babies under 6 months can safely take acetaminophen. Babies 6 months and older can take either acetaminophen or ibuprofen. Never give aspirin to children, as it can cause a rare but serious condition affecting the liver and brain. Ask your pediatrician or pharmacist for the correct dose based on your baby’s weight and age. Extra fluids and rest also help.

When Ear Infections Keep Coming Back

Some babies get ear infections repeatedly, and this pattern deserves attention. Chronic or recurrent infections can cause fluid to linger in the middle ear for weeks or months, a condition that muffles hearing even between active infections. In babies and toddlers, even temporary hearing loss during critical developmental windows can delay speech and language skills. Research from the Mayo Clinic notes that this can be true even when the hearing loss doesn’t last permanently.

Untreated or poorly responsive infections can, in rare cases, spread to the bone behind the ear, a condition called mastoiditis that requires more aggressive treatment. More commonly, the concern with recurrent infections is the cumulative effect on hearing and development. If your baby has had three or more ear infections in six months, your pediatrician may discuss options like small tubes placed in the eardrums to help fluid drain and prevent buildup.

Keeping up with recommended vaccines, particularly the flu vaccine and the pneumococcal vaccine, reduces the frequency of the respiratory infections that lead to ear infections in the first place.