I didn't have adequate meds for my first one and made the mistake of thinking that I had to wait until Monday to do anything about it. I couldn't stand up due to "jellyfish syndrome" and I couldn't lay down as I would feel so ill and had a constant headache. Stemetil did nothing. On Monday after ringing, my onc wrote a script for Ativan (nausea) and Somac (reflux) and had it faxed to my usual chemist so hubby could pick it up. Totally changed everything. Somac did become less effective as I went through treatment and it was then changed to Nexium.
Regarding the tingling fingers, I would definitely call the clinic. They'll either say don't worry about it or they'll give you some advice.