baby teething symptoms

Teething is one of the biggest milestones in a baby’s first year. Parents often expect the drooling, chewing, and fussiness—but many are surprised when congestion enters the picture. A stuffy nose, snuffles at night, or trouble feeding due to blocked nasal passages can make parents wonder: Can teething cause congestion?

The truth is a little complicated. Teething itself doesn’t directly cause a runny or stuffy nose, but it can contribute in ways that make babies more prone to congestion.

Thankfully, parents can manage these symptoms with simple tools such as a nasal aspirator baby, humidifiers, and saline drops to keep little noses clear and comfortable.

In this article, we’ll explore the connection between teething and congestion, look at other possible causes, and share gentle, parent-approved remedies.

Understanding the Link: Is Teething Really to Blame?

When your baby begins teething—typically around 6 months—tiny teeth start breaking through the gums. This process causes gum inflammation, drooling, irritability, and increased chewing behavior.

But congestion? That’s where confusion begins.

According to pediatricians, teething does not directly produce mucus.

Congestion is usually linked to colds, allergies, or other respiratory conditions. However, teething may set the stage for stuffiness through two main factors: gum inflammation and increased exposure to germs.

So while teething isn’t the root cause of nasal congestion, it can certainly make it more noticeable.

The Direct Connection: How Inflammation Can Cause Congestion

Teething causes gum tissues to swell, and the increased blood flow in the gums can sometimes extend to nearby facial areas. For sensitive babies, this mild inflammation may affect nasal passages, making them feel more congested.

Although not as strong as a cold, this subtle swelling explains why some babies sound “snuffly” when teething, even without other signs of illness. Parents may notice:

• Mild runny nose with clear mucus
• Occasional snorting or nasal stuffiness
• Nighttime congestion when lying down

This isn’t dangerous, but it can make babies restless and uncomfortable.

The Indirect Path: Why Teething Can Lead to a Cold

The indirect connection between teething and congestion is often more significant. When babies teeth, they chew constantly—on toys, fingers, and anything they can grab.

This habit soothes sore gums but also introduces bacteria and viruses into their mouths.

Since infants’ immune systems are still developing, they’re more vulnerable to catching colds. And once a cold sets in, congestion follows.

So while teething doesn’t “cause” colds, it creates the perfect storm of conditions—drooling, hand-to-mouth contact, and increased exposure—that can lead to congestion.

Beyond the Stuffy Nose: Other Symptoms of the Teething Triad

Parents often describe teething symptoms as a triad of changes—and congestion sometimes gets lumped in as a fourth. Here are the most common:

1. Drooling – Excess saliva production can irritate the throat, causing coughing or gagging.
2. Fussiness – Gum pain makes babies irritable and harder to soothe.
3. Chewing behavior – Babies gnaw on anything within reach to relieve pressure.
4. Possible mild congestion – Clear nasal discharge or snuffles may appear, though not always.

Some babies also develop mild low-grade fevers (under 100.4°F / 38°C). However, high fevers, diarrhea, or severe symptoms are not typical of teething and should be evaluated by a doctor.

The Unrelated Culprit: When a Stuffy Nose Is Just a Cold

It’s essential to know when your baby’s congestion is unrelated to teething. Often, a stuffy nose signals a simple cold or viral infection, especially if accompanied by other symptoms. Watch for these telltale signs:

• Thick yellow or green mucus (not clear)
• Persistent cough or wheezing
• Fever over 100.4°F (38°C)
• Trouble feeding due to nasal blockage
• Unusual tiredness or irritability

If these symptoms appear, the congestion is likely not teething-related. Instead, it points to a common cold, flu, or another condition requiring closer attention.

Gentle Relief: How to Comfort Your Baby’s Stuffy Nose

Regardless of the cause, congestion makes babies cranky and disrupts feeding and sleep. Since infants can’t blow their noses, parents need to help gently relieve the stuffiness. Here are safe, effective strategies:

• Hydration: Offer breast milk or formula frequently to thin mucus.
• Gentle suctioning: Use a nasal aspirator baby to remove mucus after applying saline drops.
• Comfort measures: Give chilled (not frozen) teething rings to soothe gums and distract from congestion.
• Sleep positioning: Slightly elevating your baby’s head (with supervision and safe sleep practices) may reduce nasal blockage at night.
• Skin care: Wipe drool often to prevent rashes around the chin and cheeks.

These methods don’t cure congestion but make your little one much more comfortable.

Your Go-To Tools: The Magic of Humidifiers and Saline

Two of the best tools for baby congestion relief are humidifiers and saline sprays.

• Humidifiers: Running a cool-mist humidifier in your baby’s room adds moisture to the air, easing nasal dryness and helping mucus drain more easily. This is especially useful during sleep.
• Saline sprays or drops: These thin out mucus safely for babies. After using saline, a nasal aspirator baby can gently suction out the loosened mucus.

Together, these tools are safe, effective, and pediatrician-recommended for managing nasal congestion in infants.

When to Seek Help: The Red Flags You Shouldn’t Ignore

Most congestion linked to teething or mild colds is temporary. However, parents should call a pediatrician if they notice:

• Fever over 100.4°F (38°C) in babies under 3 months
• Difficulty breathing or rapid breathing
• Refusal to feed or drink
• Signs of dehydration (fewer wet diapers, dry mouth)
• Persistent wheezing or severe cough
• Congestion lasting more than 10–14 days

These red flags suggest that congestion may not be harmless and could require medical treatment.

Final Thoughts

So, can teething cause congestion? Not directly. While gum inflammation may cause mild nasal stuffiness, true congestion usually comes from colds or infections that teething babies are more prone to catch.

The key takeaway for parents: don’t panic if your teething baby seems snuffly. Instead, focus on keeping them comfortable with hydration, soothing teething remedies, and reliable tools like a humidifier, saline drops, and a nasal aspirator baby.

And remember—when in doubt, trust your instincts and consult your pediatrician.

Teething may be challenging, but with the right care and comfort strategies, you can ease your baby through this stage and help them breathe easier—literally.