My baby is 4.5 months old and she is continuously sucking her lower lips since last 3-4 days. What could be the reason and what should I do?

A. Teething Could be one of the biggest reason that is why your child could be behaving like this because that is going to provide ease to your child as they have too much of itching and irritation into the comes during this process I believe that can be one reason behind the same