Your baby may also develop a high temperature, upset stomach or diarrhoea just before a tooth breaks through. It’s best to treat them as separate problems to teething.

Can teething cause belly pain?

An upset tummy or nappy rash, caused by swallowing the extra saliva produced in response to teething.

Why does my baby always have belly ache?

Constipation is the most common cause, but other culprits include gas, reflux, GERD, colic, stomach flu, upper respiratory infections, motion sickness, food allergies, lactose intolerance, intestinal blockage (obstruction), food allergies, other infections, and appendicitis.