Onco says Herceptin does not cause side effects even though the manufacturers of herceptin says it can. So, the peripheral neuropathy, sore throat, itchy rash, ridged and cracked nails, breathlessness...
Hmmm well yes I can see when you investigate that Herceptin definitely can cause neuropathy, so maybe on top of the Taxol is causing havoc. I'd definitely keep your Onc up to speed with how you are going with it all, my experience is they don't generally like to hear about side effects full stop!!! very frustrating!