Teething in Infants

Teething in Infants: A Complete Guide for Parents

Teething is one of the first significant—and at the same time worrisome—stages in an infant's development. The emergence of the first tiny white tooth is a huge joy and pride for parents, but the period leading up to it often comes with discomfort, tears, and sleepless nights for both the child and the whole family. Understanding the physiology of this process and knowing safe assistance methods will help you get through this stage as calmly as possible.

When and How Does It Happen?

The timing of teething is highly individual. On average, the first tooth (usually one of the lower central incisors) appears at 6 to 10 months of age. However, some children are born with teeth, while others may not get their first tooth until after a year—and both are considered normal variations.

The teething process involves a tooth that is developing inside the jaw gradually moving upward, passing through bone tissue and the gums. This movement and pressure on the sensitive gum tissue cause inflammation, swelling, and pain. Typically, by 2.5–3 years of age, a child has a full set of 20 primary teeth. More details about timing can be found in the article "Teething: Symptoms and Schedule".

Classic Teething Symptoms

Each child reacts to this process differently, but there is a set of “classic” signs indicating that the teeth are on the way:

• Increased salivation: Saliva flows like a river, and this is completely normal. It helps moisturize and soothe irritated gums.
• Desire to chew everything: The child wants to put anything they can get their hands on—toys, fingers, your hands—into their mouth. Pressure on the gums helps relieve pain.
• Swollen and reddened gums.
• Irritability and fussiness: Constant discomfort makes the child cranky.
• Sleep disturbances: Pain can worsen at night, leading to frequent night awakenings.
• Decreased appetite: Sucking can aggravate the pain, so the child may refuse the breast or bottle.

Associated Symptoms: Myths and Reality

Many parents associate teething with fever, a runny nose, or even diarrhea. It is important to know that most pediatricians agree: teething does not cause a high temperature (above 38–38.5 °C) or severe stomach upset. A mild temperature rise (sub‑febrile) may be linked to the inflammatory process in the gums, and loose stools can result from swallowing a lot of saliva. However, if a child has a high fever or other pronounced illness symptoms, it should not be dismissed as teething—consult a doctor to rule out infection. Read about fever in infants in our dedicated section.

Safe care for the first teeth is extremely important from the moment they appear. Detailed information is provided in the article "Caring for the First Teeth".