Hey I Was Recently Diagnosed With Anal Warts And Was

Hey I was recently diagnosed with anal warts and was prescribed warticon I've finished the first 3 days but I'm experiencing some redness and burning the warts I have are small and I think all together there was around 8 but since using I've seen a few more starting to appear I'm worried it's not working and just causing me pain any advice on how long they will take to go away and is this normal