I made it to my destination. Safe travels to you and your traveling companion(s).
I think I have finally figured out my issue and it isn't a parasite. Much more mundane. Frankly I am embarrassed. Have spent the past 2 months having gut discomfort and it really got bad on our trip. So went to ER yesterday before driving across the open plains of NM and TX. Since tests showed I wasn't in imminent danger of rupture and had no infection we proceeded.
While reading ER advice I saw simethicone listed. Well, let's go for it. It worked! So what happened two months ago that would start my gut bloating and pain? Not in my stomach at all. No burping etc. Answer: I had dental work done and could no longer wear my custom mouth guard. Have been wearing an OTC version but it goes on the top teeth. Apparently it is also causing me to breath differently all night and filling my gut up with air. I feel like a different person this morning!
I have tried probiotics, pepcid, diet adjustment and nothing was helping. Air! Like I say, embarrassed but at least I think I have found the issue. Yay simethicone! Get new mouth guard started this week.