Have you tried different styles of teethers? My second kid would only use the straw teethers.
I've also heard cool, damp washcloths can help?
frozen celery! Camilia Drops work wonders as well! & maybe the pills by Hyland’s baby, they dissolve quick.
My sister-in-law used to give my nephew spring onions when he was teething, and it worked wonders. This is just something I came across on Google, but I recommend looking into it further. I hope this helps! Spring onions can help with teething because the cold temperature numbs gums and the natural compounds in the onion can reduce inflammation. Here are some tips for offering spring onions to teething babies: Freeze it: The cold temperature can help soothe sore gums Make it fresh: Use a fresh, firm onion to reduce the risk of pieces breaking off Supervise: Always supervise your baby when they are using a spring onion or any other teether to prevent choking