Hi Lynn - welcome!
I wouldn't be surprised if the lyme infection could affect the triglycerides. Lyme disease is systemic.
Has your son been tested for lyme?
If I were you I'd either find a LLMD to evaluate your son...and/or do an Igenex WB test for $250 (IgM and IgG)
Moderator, Lyme Forum
Symp started April/2013; Buhner's Lyme May 15-July24/14; Igenex pos. July 3/14
Doxy: July 4-Aug.24/14;Zithro July26-Aug24/14; Amox + Proben. Aug. 29/14;
added biaxin Sept. 26/14
Disc. amox,added Ceftin Nov. 20th.;
Disc. biaxin added Buhner bart herbs Dec/14;Jan/15 pulsing Tinda (w/ Ceftin);
Abx/herb break Apr-July/15; July-mino; Aug. added Rif;
Nov./15 mino - to biaxi