So.. constipated..

Yall..HELP!

I'm 8 weeks 5 days with my second child. And I'm SO CONSTIPATED!! Like, I haven't had a healthy bowel movement in DAYS, possibly closer to a week. I know taking laxatives during pregnancy are frowned upon. Colice is not helping (I feel the bowel moving and God knows there are cramps because of it) but nothing is coming out. I feel like I have to go..but have sat on the toilet so long, my feet have fallen asleep. My appetite is gone, I'm still drinking as much water as my body will allow, and now the morning sickness has turned into all day sickness because of the fact that I'm, literally, full of sh*t. Should I stop the prenatal vitamins?

Don't tell me to drink more water. All I drink is water or milk.

Any safe home remedies work for y'all? Please share! I'm desperate..and so cranky.. I'm at the point of tears..