My partner and I have both been treated for giardia, although my partner left it 3 months before testing pos for it. I also had typhus salmonella, and have suffered hair loss
(ok now). My partner is still losing weight, although he feels healthy, and we are concerned, as he is very thin now. can you help, we took flagyl for giardia. His blood/thyroid/colonoscopy/cancer tests were all clear. He has just finished a course of flagyl,and feels good stomach and colon wise now.