Gently rub his gums with a clean finger or toothbrush so that you can get to the molar area.
Offer a raw carrot, cucumber or celery stick.
Chilled solid teething ring (instead of a gel or liquid filled one).
If he has a lack of appetite, chilled food like yoghurt may be more appealing to him. Breastfeeding or bottle feeding will cause blood to swell to the gums hence cause pain; probably better to feed using a cup.
This is quite an ideal teething toy:
Read more