For the past week i have been getting random hives, it started off after i accidentally ate peanut butter (which i was allergic to, and got hives then and throat got swollen up)

And now ever since that day, few days later, i was upset one day, and i had a random outburst of hives All around my neck and a bit on my thighs, and i found out, that it can happen from stress.

The next day, and every day after that it continued to happen precicely at 23:00 or 00:00 oclock, (now it happens between 22:00-00:00 pm.

I'm sure it isn't something in my house, because when i went to stay round my cousins house, a few days ago it still happened (always at night) around my neck slightly, thigh, and my head gets REALLY itchy.

I'm not sure what is causing this and i might be going to the doctors on Tuesday, but just want to know if there is anything i could try or do to stop this. Thank you.