Most 3-month-olds who seem to be teething aren’t actually cutting teeth yet. Around this age, babies naturally start exploring the world with their mouths, drooling more and chewing on their hands. A first tooth typically appears around 6 months, and most babies get their first tooth somewhere between 6 and 12 months. That said, your baby’s discomfort is real, and these early gum sensations can still make them fussy and uncomfortable well before a tooth breaks through.
Why Your 3-Month-Old Seems Like They’re Teething
At about 3 months, babies hit a developmental stage where they produce more saliva and begin putting their hands in their mouths constantly. This looks a lot like teething, and parents understandably assume that’s what’s happening. In some cases, the gums may be sore as teeth slowly shift beneath the surface, even though eruption is still months away. Whether or not a tooth is imminent, the fussiness and drooling are normal parts of this stage.
True teething symptoms include red or swollen gums where a tooth is about to push through, increased irritability, difficulty sleeping, reduced appetite, and a strong urge to bite or chew on anything available. If your baby has some of these signs but no visible swelling on the gum line, you’re likely seeing normal oral development rather than active teething.
Safe Ways to Soothe Sore Gums
The most effective relief for a 3-month-old is also the simplest: gentle pressure on the gums. Wash your hands, then use a clean index finger or a damp washcloth to lightly massage your baby’s gums. Many babies calm down quickly with this kind of direct, soothing pressure.
A chilled washcloth works especially well. Dip a clean washcloth in water or breast milk and place it in the refrigerator (not the freezer, which can make it too hard and cold). Let your baby chew and suck on it while you hold it. The cold helps reduce gum soreness, and the texture gives them something satisfying to gnaw on. Never leave your baby alone with a washcloth or any object in their mouth.
Solid teething rings designed for young infants can also help, as long as they’re one-piece and too large to fit entirely in the mouth. Chill them in the refrigerator for added relief. Avoid any teething toy filled with liquid, since these can break and leak.
What Not to Use
Some of the most commonly marketed teething products are genuinely dangerous for infants. The FDA has issued direct warnings against using any topical gels or liquids containing benzocaine or lidocaine on a baby’s gums. Benzocaine, found in many over-the-counter oral pain products, can cause a serious condition that reduces the blood’s ability to carry oxygen. Lidocaine solutions can cause seizures, heart problems, severe brain injury, and death in infants. These products offer little to no benefit for teething pain even when they don’t cause harm.
Amber teething necklaces are another product to avoid entirely. There is no scientific evidence they relieve teething pain. The FDA has received reports of infant deaths and serious injuries from teething jewelry, including strangulation and choking. The American Academy of Pediatrics recommends that infants not wear any jewelry at all, given that suffocation is the leading cause of death for children under one year old.
Pain Medication at 3 Months
Your options for pain relief medication are limited at this age. Ibuprofen is not safe for babies under 6 months old and is not FDA-approved for that age group. Acetaminophen (the active ingredient in infant Tylenol) may be an option for babies as young as 3 months, but only with specific guidance from your pediatrician on the correct dose for your baby’s weight. Don’t give any pain medication without checking with your baby’s doctor first, especially at this age, since dosing for very young infants requires precision.
Managing the Drool
Even if your baby isn’t cutting a tooth yet, the increase in saliva at 3 months can irritate their skin. Drool rash shows up as red, chapped patches around the mouth, chin, neck folds, and chest. A few simple habits prevent it from developing.
Keep a soft, clean cloth nearby and gently blot (don’t rub) saliva from your baby’s face throughout the day, especially after feedings and naps. Check the folds of their neck and chest where drool collects unnoticed. Use a bib to keep saliva off their clothes and skin, swapping it out for a dry one once it gets damp. If your baby uses a pacifier, wipe away any trapped saliva around their mouth periodically and give their skin breaks from the pacifier to air out.
Once the skin is clean and dry, a thin layer of petroleum jelly or a healing ointment creates a barrier that protects against further irritation. Stick with fragrance-free baby wash and unscented laundry detergent for anything that touches your baby’s skin, since scented products can make irritation worse.
Signs That Point to Illness, Not Teething
Teething does not cause fever. It may nudge your baby’s temperature slightly above normal, but it won’t reach 100.4°F (38°C) or higher. A temperature at or above that threshold is a sign of infection, not teething. For a baby under 3 months old, any fever of 100.4°F or higher needs immediate medical attention.
Diarrhea, rashes on the body, and persistent vomiting are also not teething symptoms, despite common belief. Research hasn’t supported the connection between teething and diaper rash either. If your baby has these symptoms, look for other causes rather than attributing them to incoming teeth. Babies this age are especially vulnerable to infections, and symptoms that get dismissed as “just teething” can delay important care.