major constipation

I have been extremely constipated for I don’t even know how long tbh and today I keep trying to go to the bathroom and barely go. I had a celcius energy drink so I have barely eaten anything and it feels like there’s a rock in my upper stomach but I also feel hungry(maybe??) but I can’t get over the rock sitting in my stomach and the uncomfortableness in my lower abdomen. i’m struggling and worried it’s going to make me s*