I think those are herx reactions.
Zithro is an excellent pairing abx, as it's generally milder than most. Or I should say best tolerated. It was for me, and I see it recommended by all the best LLMDS.
I think those are typical herx reactions, with perhaps some ammonia buildup.
Post Edited (julymorning) : 12/15/2016 10:45:41 PM (GMT-7)