The Teething Fever Myth: Separating Facts From Fears
For generations, parents have been told that teething causes fever. Grandparents repeat it, parenting books used to mention it, and exhausted moms often hear it from friends who swear their baby always gets warm during teething. But despite how common this belief is, research shows something very different: teething does not cause real fever. The idea that erupting teeth raise body temperature is one of the most persistent myths in early childhood — and understanding the truth can prevent unnecessary worry and help parents recognize when a symptom might be coming from something more serious.
At OSO Pediatric Dentistry in Oxnard, we talk to many families who are surprised to learn that the teething–fever connection is scientifically disproven. Babies do experience discomfort, irritability, drooling, swollen gums, and changes in sleep or appetite during teething — but not true fever. Knowing what’s normal and what isn’t helps you keep your child safe while navigating their first year of dental development.
Why the Teething and Fever Myth Became So Common
Teething typically begins between four and seven months of age — the same period when babies naturally become more vulnerable to common childhood illnesses. Their immune systems are developing, they’re exploring the world with their hands and mouths, and they’re being exposed to new viruses and bacteria. When a baby has both symptoms at the same time — crankiness from teething and a fever from something unrelated — it’s easy for parents to assume one caused the other.
Historically, before modern medicine explained infections, teething was blamed for nearly everything: fevers, diarrhea, ear infections, even seizures. Over time, the myth stuck, even though we now understand the actual causes behind those illnesses.
What Research Really Shows About Teething and Fever
Modern studies consistently demonstrate that teething does not raise core body temperature. Babies may feel warm to the touch from rubbing their faces, crying more than usual, or increased blood flow to swollen gums. But this mild warmth is not considered a fever.
Pediatric specialists define a true fever as a temperature of 100.4°F (38°C) or higher. Teething may cause slight changes — often less than one degree — but nothing close to what doctors categorize as fever.
If your baby’s temperature reaches or exceeds 100.4°F, the cause is almost always unrelated to teething and should be evaluated, especially in children under 1 year of age.
Symptoms That Are Normal With Teething
Although teething does not cause fever, it can certainly cause discomfort. Parents commonly notice increased drooling, gum swelling, sensitivity, chewing on hands and toys, and temporary changes in eating or sleeping patterns. Babies may be clingier, fussier, or wake more frequently at night.
These symptoms generally appear a few days before the tooth emerges and fade shortly after it breaks through the gum. They are mild, manageable, and not dangerous. The key is recognizing when something goes beyond what teething can explain.
When Symptoms Aren’t from Teething
Because fever isn’t a teething symptom, its presence usually signals something else, such as a virus, ear infection, or gastrointestinal illness. If your baby also has congestion, cough, vomiting, diarrhea, rash, or is unusually lethargic, it’s unlikely to be related to teething.
Parents often miss early signs of illness because the timing overlaps with tooth eruption. But ignoring a fever under the assumption that it is “just teething” can delay important medical care. When in doubt, it’s always safest to contact your pediatrician.
How to Comfort a Teething Baby Safely
Even without fever, teething can make babies uncomfortable. Gentle pressure on the gums can help, so refrigerated teething toys (never frozen), silicone teethers, and clean chilled washcloths are great options. Some parents find that rubbing the gums with a clean finger brings immediate relief.
Avoid numbing gels or homeopathic teething tablets — many contain ingredients that are unsafe for infants. At OSO Pediatric Dentistry, we encourage families to rely on simple, safe soothing strategies and to reach out if a baby seems unusually uncomfortable or isn’t sleeping well due to gum pain.
Why Knowing the Truth Matters
Understanding the teething fever myth protects children from unnecessary medication, missed diagnoses, and worry. It also empowers parents to make informed decisions during a stage of development filled with questions. When parents know what symptoms are normal — and which require medical attention — they feel more confident, and children receive better care.
Teething is a natural milestone, not an illness. The arrival of each tooth marks progress in your baby’s growth and development, and with the right support, it can be a smooth and reassuring experience.
OSO Pediatric Dentistry Is Here to Guide You
If you’re not sure whether your baby’s symptoms are teething-related or something else, our team at OSO Pediatric Dentistry in Oxnard is here to help. We support families through every stage — from the first tooth to the teenage years — with gentle, experienced care and clear guidance.
You can reach us anytime at:
📍 1350 West Gonzales Road, First Floor, Oxnard, CA 93036
📞 (805) 204-2910
📧 frontdesk@osopediatricdentistry.com
If your baby is teething, or if you’re unsure about a new symptom, schedule a visit — we’re always happy to help your little one stay healthy and comfortable.