thrush in pregnancy

It's a bank holiday weekend here in England so I can't just go out to the shops first thing. The shops are closed right niow. My vagina is so painful, itchy and swollen. I'm guessing I have thrush from all the cottage like cheese discharge I'm getting (sorry)! The only thing that soothes me is a bath. Any ideas on how I can last until tomorrow morning? Anything that relives it?