It happens sometimes but I suggest you talk to your doctor. It can just because of something you eat. But it can also happen every time you go to the WC if it’s not cured. Even if it’s not that bad, it’s not that cool.
Some natural treatment works really well. Check this one if you need

Hemorrhoids are an easily treatable condition. Have your GP or family care provider refer you to a good proctologist. Simple surgery will remove your problem ALTOGETHER. No one should have to suffer like this. Best of luck.

Its normal. It gross I know but try pushing them back up. If there not to bad just leave them and they will go in a few days. Try and stay off your feet if possible.