Dental Care

Teething: Normal Symptoms, Safe Comfort Measures, and Warning Signs

Smiling baby chewing on a silicone teething ring on a soft blanket
Typical teething start age Around 6 months (range: 3–12 months) (American Academy of Pediatric Dentistry)
Total primary teeth 20
First teeth to appear Lower central incisors (bottom front)
Full primary set complete by Around age 3 (American Dental Association)
First dental visit recommended by Age 1 or within 6 months of first tooth (American Academy of Pediatric Dentistry)
Fever threshold NOT attributed to teething 100.4°F (38°C) or higher (American Academy of Pediatrics)

What Is Teething and When Does It Happen?

Teething is the process by which a baby's primary teeth — sometimes called baby teeth or deciduous teeth — push through the gum tissue and become visible in the mouth. For most infants, this begins around 6 months of age, though anywhere between 3 and 12 months is considered within the normal range.

Typical teething start age Around 6 months (range: 3–12 months) (American Academy of Pediatric Dentistry)
Total primary teeth 20
First teeth to appear Lower central incisors (bottom front)
Full primary set complete by Around age 3 (American Dental Association)
First dental visit recommended by Age 1 or within 6 months of first tooth (American Academy of Pediatric Dentistry)
Fever threshold NOT attributed to teething 100.4°F (38°C) or higher (American Academy of Pediatrics)

Teeth typically emerge in a predictable sequence. The lower central incisors (bottom front teeth) usually appear first, followed by the upper central incisors. By around age 3, most children have a full set of 20 primary teeth. Because teething spans roughly two years, it helps to understand which symptoms are genuinely linked to erupting teeth — and which may signal something else entirely. See our age-by-age dental care roadmap for a full picture of what to expect at each stage of your child's oral development.

Normal Teething Symptoms

Research consistently shows that teething produces local symptoms rather than systemic illness. Parents can generally expect the following:

  • Drooling: Increased saliva production is one of the most reliable signs. It can begin weeks before a tooth appears and may cause mild skin irritation around the mouth and chin.
  • Gum swelling and tenderness: The gum tissue over an erupting tooth may look red, puffy, or slightly bruised.
  • Increased chewing and biting: Babies often apply counter-pressure to sore gums by gnawing on fingers, toys, or anything within reach.
  • Irritability and fussiness: Discomfort can make babies harder to settle, particularly in the 3–5 days surrounding a tooth's emergence.
  • Disrupted sleep: Night waking may increase temporarily when a tooth is actively erupting.
  • Mild gum-area discomfort: Babies may rub their cheeks or ears on the same side as an erupting tooth.

A mild, low-grade temperature elevation has been reported by many parents around teething, but current clinical guidance does not classify true fever (100.4°F / 38°C or higher) as a teething symptom. If your baby develops a fever at this threshold or above, another cause — such as a viral infection — should be investigated.

Primary teeth

The first set of 20 teeth that erupt during infancy and early childhood, commonly called baby teeth or milk teeth. They are eventually replaced by permanent teeth.

Eruption

The process by which a tooth breaks through the gum tissue and becomes visible in the mouth. Each tooth follows a typical timeline and sequence.

Deciduous teeth

The clinical term for primary (baby) teeth. The word comes from Latin meaning 'falling off,' reflecting the fact that these teeth are shed as permanent teeth develop.

Methemoglobinemia

A potentially serious blood condition in which reduced oxygen is carried by red blood cells. Certain topical anesthetics, such as benzocaine, can trigger this condition in infants and young children.

Benzocaine

A local anesthetic found in some over-the-counter numbing gels. Regulatory agencies advise against its use in children under 2 years due to safety concerns.

Safe Comfort Measures

There are several evidence-informed, safety-vetted approaches parents can use to ease teething discomfort:

  • Chilled (not frozen) teething rings: Refrigerate a solid silicone or rubber teether — never freeze it, as frozen surfaces can damage delicate gum tissue. Avoid liquid-filled rings that could puncture.
  • Clean finger or damp gauze massage: Gently rubbing the gum with a clean finger or a moistened piece of gauze provides counter-pressure that many babies find soothing.
  • Age-appropriate teething toys: Look for one-piece, BPA-free options that are large enough not to pose a choking hazard and easy to clean.
  • Distraction and comfort: Extra cuddling, rocking, or play can redirect a fussy baby's attention and reduce distress.

What to avoid: The U.S. Food and Drug Administration (FDA) warns against benzocaine-containing numbing gels for infants and young children due to the risk of methemoglobinemia, a serious blood condition. Amber teething necklaces are also strongly discouraged by pediatric and dental associations because of documented strangulation and choking hazards. Homeopathic teething tablets have similarly raised FDA safety concerns.

If over-the-counter pain relief is appropriate for your child's age and weight, speak with your pediatrician or family doctor about suitable options and correct dosing. Never make that decision without professional guidance.

Warning Signs That Need Professional Attention

While teething is a normal developmental process, certain symptoms fall outside what erupting teeth can explain. Contact your child's pediatrician or healthcare provider promptly if you observe:

  • Fever of 100.4°F (38°C) or higher
  • Diarrhea, vomiting, or significant changes in feeding
  • Rash (other than mild drool rash around the mouth)
  • Extreme or inconsolable crying that cannot be soothed
  • No teeth present by 18 months of age
  • Swelling that extends beyond the immediate gum area
  • Visible pus or signs of gum infection

Teething should also prompt the start of your child's dental care routine. The American Academy of Pediatric Dentistry recommends scheduling a first dental visit by a child's first birthday or within six months of the first tooth's eruption — whichever comes first. Early visits build familiarity and comfort; our article on preventing dental anxiety in children explains how positive early experiences set the foundation for lifelong oral health. When you're ready, preparing your child for their first dental procedure offers practical steps for that milestone appointment.

This article is for general informational purposes only and is not a substitute for professional medical or dental advice. Always consult a qualified healthcare professional regarding your child's specific health needs.

Dental Care Editorial Team is the collective byline for our editorial team and contributor network. Articles published under this byline or an editorial pen name are researched, written, and reviewed according to our editorial standards for clarity, consistency, and independence before publication.

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Disclaimer: The content on this site is for informational purposes only and is not a substitute for professional advice. Always consult a qualified professional for guidance specific to your situation.