Acupuncture is helpful in balancing the meridians but will not directly kill parasites. I have done multiple sessions with different practitioners, I have also used multiple TCM patent medicines.
Dampness is equal to infection which could be a number of things. I think it opposite of fire (heat) which means dormant infections are lurking - while fire is the immune system in high activation
I would suggest reading about Gu Syndrome this the closest you will find and it is specific to parasites. He sells a few formulas, the ones I remember are Thunder Pearls and Lightning Pearls.
Mume is TCM herb that is used to treat worm infections. There are several patent medicines or herbal combinations that are used to treat IBS that may or may not be effective against worms.
Dr. Al Stone is worth talking to since he is both an acupuncturist and can create the patent medicines. He is 50/50 in regards to these issues being parasitical but he has mixed several formulas for me.