i was just wondering how this is going to be done because it didn't seem that the medical herbs worked as they do on CoA, it sort of makes sense they would, or perhaps wald should sell a different sort of herbs for that specificaly

There should be potions and other remedies available. Medicine bags are not scheduled to cure poison or disease.

And of course, there are always your friendly neighborhood PC clerics. ;)

Special items that function similar to medicine bags, but specifically cure poison and disease, have been added.