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IVIG/Nausea/Vomiting phenomena

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IVIG #1 occurred May 25-26, 2010. DD had the massive headache and some nausea after day two, then was fine when she woke up the next day. 24 days later, she spiked a mild fever and vomited once, then was fine again. This specific symptom of mild fever spike, single occurrence of vomiting and then completely fine happened again 5 weeks later, then 4 weeks later then stopped.


IVIG #2 occurred Feb 2-3, 2011. 24 days later, this past Saturday, she had a very slight elevation in temp (99.5) and nausea (but no vomit); it lasted about 2 hours, then POOF she's completely fine again and playing softball.


The exact same number of days later????? Pretty freaky, huh? She's doing great, by the way :wub:

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I'm so glad she is doing great! :-)


We are in the middle of our 1st IVIG, it is these side effects I think I am most scared off....good to hear you got through them okay.

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I have to wonder about people that don't have pandas and get ivig - do they get this side effect?


My son had the migraine, and horrible vomiting. We just switched anitbiotics...and 3 days after antibirotic switch - vomiting. Not normal vomiting, like getting something out of his system (by the way, no one has any stomach bugs) it was exactly like ivig - every hour almost on the hour for 5-6 hours. Also, it occurred 3 days after the ivig. He also had a headache. Neither the vomiting nor the headache were as bad as after ivig. He never gets headaches. And like I said, no one was sick, so REALLY don't think it was a stomache bug.


I'm now convinced it is a herx - a die off off of certain bacteria that produce toxins when they die - not a reaction to the ivig. My son has mycoplasma, which, like lyme disease, is known to cause herxing during treatment. since about 15%(?) of pandas kids get this reaction, I wonder if these are kids with underlying infections that produce herx response. Its actaully a good sign (killing the stuff off) but ivig might not completely get rid of it.


As for the cycles - I have read on lyme board that certain co-infection in lyme is VERY cyclic (forget which one)...and I think the cycle is every 24 days. You'd have to check the lyme board information (or just google it) to confirm.


Glad to hear she is doing well!

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Alright, this question may demonstrate the extent of my ignorance, but we're all friends, right? B)


The 24 days was from ivig to first episode (this is the one that is exactly the same thus far), then 5 weeks, then 4weeks (I'm sure, I have the dates written down)


It (nausea/vomiting/mild fever) is diminshing over time........... this past time, she felt some very brief nausea, but never vomited (I would've thought /die off/herx/whatever would last longer than an hour or two, no?) Could it be cell memory? Like nothing is actually dieing off but there is a memory of past die-off occuring in a cyclical fashion? She never had Lyme, but did have elevated myco-p which months of zith & biaxin, aug. took care of....but maybe there is a fading memory?


Well, if it is possible I'm sure glad it is diminishing cause we'd like all those destructive b-cell, t-cell memories to be wiped out and never heard from again!!!!


Edited by JAG10

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My ds10 is currently being treated for Lyme and PANDAS. He has had a total of 4 IVIGs. His first IVIG, he got sick with nausea and a headache two hours into it. That migraine and vomiting lasted for 6 days. The Dr. said that was very unusual and thought that it was probably a stomach bug. IVIG #2 he got a migraine and vomiting on day 3 and it lasted for about three days. IVIG #3, migraine and vomiting on day 6, lasted for about 12 hours. IVIG #4, no migraine or vomiting.


Like you norcalmom, I’m thinking the migraine and vomiting might be a herx. The further he is into treatment the less herxing?

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Our dd 12 had IVIg #1 just after your dd, June 14-15, 2010. She is scheduled for IVIg #2 March 17/18, 2011. I will observe for patterns.


May I ask, did your dd have symtpoms/turning back pages post IVIg #1?



from Michigan

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Hi Mary,


I would say mildly. I saw more of that "turning back pages", herx, seeing symptoms you haven't seen in awhile....that mostly occurred during her abx treatment prior to IVIG which was amox., zith, then biaxin collectively for a total of 4+ months. She was an elevated myco-p girl in addition to the high ASO and sky high anti-DNAse B (but no known history of strep) I really think she was in a good place "infection wise" prior to IVIG #1 and that is a contributing factor to why she did so well. She had a string of infectious exposures this fall which interrupted and stalled her progress, one right after another. Abx protocol was too weak, IMO. By the end of Nov, 2010 she was back on daily HD zith. Again, I think this put her in a good place to receive IVIG #2 and thus far very mild uptick in symptoms, a little hyper activity but cognitive clarity with it so...no complaints here!


I feel like she is in a great spot now and we want to get that IgG up. She is having another treatment 3/30-3I. I'm pondering a plan for late Aug-Oct, that seems to be her trouble zone....Will HD zith do it? Perhaps she can be on lower (proph) dose earlier in the summer then boost it up in mid-Aug? Her lil sis brought home strep in Aug; dd11 never swabs positive.


May I ask....and I realize it is hard to tell with treatments in the mix as well, do you notice any differences with puberty onset? No menses with mine yet, but all the other early puberty signs are there.

I'm praying we will create the perfect antidote of immuno-modulating therapy, abx protections and puberty to extinguish what the perfect storm set into motion so many years ago.


Let's pray it!


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