MONISTAT 1 BURNING AND ITCHING WONT GO AWAY!!!!

I used monistat 1 an hour ago because I had a yeast infection ans now my vagina is on fire !! It’s so itching I’ve been crying for an hour now from the pain!!! I even took a hot shower and nothing is helping me. Please someone help me out! When does this pain go away??? Please never use this product it’s terrible!