Tylenol depletes Glutathione.  Glutathione is an important anti-oxidant which helps scavenge free radicals, deals with oxidative stress, etc.  Essentially, your baby’s body needs glutathione to detox the toxins from the vaccines.

Besides, if your child spikes a fever from a vaccine – this is important for you to know for the future – don’t mask it before it happens!

Also, Acetominophen use after certain vaccinations were found to be associated with autism:
http://aut.sagepub.com/cgi/content/abstract/12/3/293

Another useful link: http://greenfertility.blogspot.com/2006/07/ap-story-tylenol-linked-to-liver-woes.html