Irritated Uterus at 28 weeks

So, yesterday was not a good day. I've been having pain in my pelvic bones for a solid week now, making it hard to get up and down. But I thought that was just because you can feel a lot of pressure because the baby has been sitting low for so long. But it got worse and yesterday, I was in a lot of pain. It felt like cramps, and I had difficulty getting around. David insisted I call the doctor and speak to the nurses there.
Come to find out, I have an irritated uterus due to dehydration. She said "tiny contractions" can happen because the uterus is irritated by not getting enough water in my body. So, my water consumption went into overdrive along with taking extra-strength tylenol. I did lie down, and I felt better. Hopefully, this will dissipate. I felt a lot better this morning until a few hours in, and I was hurting again. The nurse said if I can't make this go away on my own, I'll have to come in. But I do have another appointment next Monday so that gives me a few days to see what happens.