my 4 month old baby boy started sucking his thumb..earlier he used to suck his thumb a little bit now he suck it a lot...what to do?

A. Babyhug Teether you can give to the child seems like your child has started to have his teeth which is why your child is behaving like this as you say that it has increased over the period so probably this is the reason and tablet number 21 under homeopathy also you can start with