It will probably calm down in a few days. Since we should all take probiotics anyway, it is even more important for you to start these now if you haven't been using probiotics.
Avoid high amounts of sugar for some time to come and eat low glycemic to avoid aggravating Leaky Gut if you already had it or avoid getting it all together.
Eat a very gentle diet for the next few days. For just a few days, you will actually want to try a low residue diet. It's easy enough to find out what that means online. I had to look it up recently for myself, since I had a recent bad flare up with the IBS. It's just for a few days or so, 'til you start to feel better.
That would surely help.