SOMEBODY HELP. I NEED ADVICE AND QUICK

Okay so I used Nair Leg Mask on my anus and I’ve done it before and it worked beautifully but I just did it again after two months of doing in the first time and now my asshole won’t stop BURNING!!!!! IM ABOUT TO SEE MY BOYFRIEND WHO I HAVENT SEEN IN 5 MONTHS AND NOW WHAT CAN I DO?? Does anyone know any cream that can relieve my pain? I’m about to cry it hurts so bad. It worked so well the first time and now i dont know what happened !!!!