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Teething: What Helps, What to Avoid, and What Is Not Teething

By the Lyng Pharmacy team · Based on NHS and BNF guidance · August 2026 · 3 min read
Baby chewing on a silicone teething toy
Most babies get their first tooth around six months, though anywhere from four to twelve months is normal.

Teething gets blamed for a great deal. Some of it is fair — sore gums, dribbling, a fractious baby who wants to chew everything. Some of it is not, and that matters, because assuming a genuinely unwell baby is just teething is how illness gets missed.

What teething actually causes

The reliable signs are a red, swollen or sore gum where a tooth is coming through, heavy dribbling, chewing and gnawing on things, flushed cheeks, mild irritability and disturbed sleep. A mildly raised temperature can occur.

What teething does not cause: a fever of 38°C or above, diarrhoea, vomiting, a rash over the body, cough, or a baby who is floppy, unusually drowsy or refusing feeds. If any of those appear, treat the baby as unwell and get advice — do not put it down to teeth.

What genuinely helps

If your baby is genuinely distressed, sugar-free infant paracetamol or ibuprofen can be used from the appropriate age, following the dosing on the bottle. Paracetamol can be given from two months for teething pain in a baby born after 37 weeks; ibuprofen from three months and 5kg. Ask us if you are unsure which is suitable.

What to avoid

Looking after new teeth

Start brushing as soon as the first tooth appears, twice a day, with a smear of fluoride toothpaste containing at least 1,000ppm fluoride. Register your baby with a dentist — NHS dental care is free for children, and the first visit should be around the time the first tooth arrives.

Avoid sugary drinks in bottles, and move to a free-flow cup from around six months where you can.

Teething questions? Ask us

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Frequently asked questions

Does teething cause a fever?
Teething may cause a mildly raised temperature, but not a fever of 38°C or above. A genuine fever should be treated as illness rather than blamed on teeth.
Are amber teething necklaces safe?
No. They are a choking and strangulation risk and there is no evidence they help. They are not recommended.
Can I use teething gel?
Gels containing lidocaine or benzocaine are not recommended for infants. Chilled teething rings, gum rubbing and, if needed, age-appropriate infant paracetamol or ibuprofen are safer options.
When should I start brushing my baby’s teeth?
As soon as the first tooth appears — twice a day with a smear of fluoride toothpaste of at least 1,000ppm.

Related reading

Teething — advice at Lyng Pharmacy →Fever in children: what the number actually means →All health articles →

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