Is My 4 Month Old Teething? Common Signs and Real Tips That Actually Work
The clock above our TV reads 2:17 a.m. and my coffee has been cold long enough that the rim of the mug has left a faint brown ring on the arm of our couch. Four-month-old Mia is splayed across my chest, one tiny fist jammed into her mouth, gnawing so hard I can feel the pressure through my sleep shirt. Three nights ago, she was sleeping six-hour stretches straight. Now she wakes every 45 minutes, fussy enough that nothing but being held and chewing on something seems to help. I’d already cycled through changing her, feeding her, and re-swaddling her when I picked up my phone and typed the question I’d been avoiding for a week: Is my 4 month old teething?
I’d mentally prepared for the 4 month sleep regression everyone talks about, so I initially chalked the bad nights up to that. But this felt different. The drooling started first— I was going through five cotton bibs a day, and her onesie collar was always damp by 9 a.m. She started pulling at her left ear when she nursed, which made me panic for a minute that it was an ear infection. When I ran a clean finger along her bottom gum one afternoon while she ate, I felt it: a hard, swollen little ridge that wasn’t there a week before.
I called my sister, who’s been an infant caregiver at a home daycare for 12 years, so she’s seen every early teething kid under the sun. She laughed when I told her I thought 4 months was too early, said half the babies she cares for get their first tooth between 4 and 7 months, and some even earlier. We walked through the symptoms I was seeing, and she helped me sort out what’s teething and what’s just typical 4-month-old baby behavior.
She told me the easiest way to tell teething apart from sleep regression or a growth spurt is the chewing. Every kid goes through a hand-mouthing phase at 4 months anyway, but teething chewing is different— it’s constant, almost aggressive, like they’re trying to press on something that aches deep under the gum. They’ll drool more than usual, you can feel or see a swollen red spot on the gum line, and they’re often fussy right before feeds because sucking puts extra pressure on the gum that hurts. She said a low-grade fever under 101°F can happen, but anything higher and you need to call the doctor— that’s not teething. I’d had that wrong, I thought all fevers during teething were normal, so that was a useful correction.
I’ve got a drawer full of fancy silicone teethers I got at my baby shower, but the thing that works best for Mia is something my sister told me to make with stuff I already had at home: a plain cotton washcloth, wet it with cool tap water, twist it into a log, and stick it in the freezer for an hour. If you leave it overnight it gets rock hard and can irritate sensitive gums, but an hour gives you a firm, cold chew that’s soft enough to not hurt. For daytime fussiness, I keep one damp in the fridge, not frozen, so it’s gentler for when she just needs a little relief. I keep it in a zip-top bag next to my couch so I can grab it in 10 seconds when she starts getting fussy. It costs nothing, it’s easy to swap out when it gets dirty, and Mia loves it way more than any of the $15 teethers I bought.
I thought about picking up one of those numbing teething gels at the drugstore, but my sister reminded me that the FDA warns against benzocaine gels for babies under 2 because they can cause dangerous side effects. If Mia is really miserable, especially at bedtime, I give her the exact dose of infant acetaminophen that our pediatrician okayed, and that’s it. I got rid of the amber teething necklace my mom gave me, too— it’s a choking hazard, and there’s no proof it works anyway. No fancy herbal remedies, no gimmicks, just cold chews and occasional pain reliever when needed.
Last night, after I gave Mia the frozen washcloth, she chewed on it for 10 minutes, her little furrowed brows relaxed, and then she dropped it onto my lap and fell asleep. I sat there for another hour, watching the rain hit the window, not wanting to move her and mess up the rare quiet. I used to spend so much time scrolling mom blogs trying to figure out if what I was seeing was “normal,” if I was doing something wrong because my baby was teething earlier than the baby books said. My sister told me that teething timelines are just guidelines, the same as walking or talking— some start early, some start late, and it doesn’t mean anything is wrong.
Today, Mia’s napping in her bassinet, and I can see the corner of a tiny white tooth starting to peek through that swollen ridge on her gum. Some nights are still rough— she woke up twice this morning before 6 a.m. needing her washcloth and a cuddle. I still go through more bibs than I ever thought possible, and my wrist still has faint little indentations from when she chews on it when I’m holding her. I don’t know when the whole tooth will come through, or when we’ll get back to those six-hour sleep stretches. But for now, keeping a frozen washcloth in the freezer and an extra bib in my diaper bag is enough. It’s not perfect, but it works.
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