Bowel obstruction

Ok so I’m 24 and I’ve done anxiety googling so please bear with me. I’ve been constipated and dehydrated. Monday I strained with a hard poop and it had some blood in it. Wednesday it was easier to go and still had a little bit of blood. Friday still easy no blood. Today I thought I had to go but it was liquid yellow just a few drops. Should I be concerned or is it just me catching up after being dehydrated? I also started my period Tuesday.

I have no stomach pain but I think I’m a little bloated.