Fever is one of the immune system's way of killing off bad things in the body - including both viruses and bacteria. The fever is a healing sign. It means his immune system has jumped in to help HUMAWORM kill the bad things deep within. He can take the anti-biotics along with HUMAWORM if he wants to - or he can wait until the cleanse is over. He is harboring something that maybe his wife is not also his immune system is handling things differently. Tell him to hang in there. It will all be better soon.