I can’t even stand it

So for the past couple months I’ve been kind of worried about health because things have just been a little off lately and I know my body very well. But so to start off, I’ve gained like a whole bunch. I used to be 115lbs and now im pushing 130 all within a few months. My stomach pouches out and looks like I’m about 4 months pregnant. (I’m not) also I’ve been really tired and more unmotivated than I’ve ever been and I’ve always put things off to the last second and then MY PEE... my pee smells awful. When it first started smelling i was worried that i had another UTI so i treated it like a UTI but it didn’t help and also very strange sometimes i get a bad taste in my mouth and it tastes exactly as my pee smells. I just went pee and the smell was almost unbearable.

I’ve been thinking about going to the doctor about this but i don’t have a PC doctor but i have a obgyn but i don’t think that’s something you would go to there for. I just don’t know what it could be that’s causing me to feel like my body is about to go into complete shut down. Help