Yep ........ do you have pain relief to hand, if so take some. Get as much lubricant into the whole vagina ASAP. I use LIVE yoghurt which although messy, is soothing.
Get to the Pharmacy to see what is available over-the-counter ......... how is Estragyn delivered? Maybe put some on the finger and rub gently round the whole vagina, clitoris etc.. Several times a day to keep it moist!