Most doctors think that right beside or underneath the belly button is nothing that can hurt. But there is the colon, and if there is something inside the colon, it can hurt very much so.
There are a few possible things that can cause this spot to hurt:
a) scar tissue that is inflamed or ripped
b) crohns (inflammation of the gut)
c) parasites
This last one is why I asked about the bloating and itching, especially since it seems to move as you press it. The parasite is more active at nights (pain increases during the day), eats whatever you eat (weight loss), the gut is full due to the parasites (loss of appetite), and the body tries to flush it out, you get nightsweats and the parasite takes up water, which all will increase thirst.
I would suggest to get either a colonoscopy or a calprotectin test to rule out crohns ans scar inflammation, let your blood checked for vitamin B12 deficiency (common with parasites or bacteria) and have a stool sample test for parasites as well as a scotch tape test for enterobius (special parasite that cannot be seen in a stool sample.
If the problems are following a monthly cycle, it could point either to parasites (worst a week before full moon) or to endometriosis (worst before/during period). Good luck!
If you think it could be a parasite, buy some vermox, take it with a really fatty meal and see what happens. If it starts acting up, bloating worse than usual, and three days later you see strange things in your stool, you also have your answer. Vermox only works in the intestine, and barely makes it into the body, there is no adverse effect other than mentioned bloating (kills the bugs) and maybe a short episode of mexican two-step.
Good luck!
The pain reminds me of the pain I had with my gallbladder a few months before I had to have it taken out. Only difference is I was hurting higher up in my ribs with my gallbladder and I'm hurting around my belly button with this.
The pain seems to worse at night and in the early morning. If I press down on my belly around the spot that hurts the pain gets worse. Walking seems to make it worse too because when straighten out my right leg it almost feels like it is pulling something in my stomach. it's hard to explain. As far as being more thirsty than usual the answer is yes but I've also lost my appetite and seem to be losing weight. However I do get bloated every now and then but idk if that has to do with my birth control or my cycle.
Sometimes randomly I will have nausea that will last for a day then go away on its own. As far as constipation, recently the pain has intensified a little and it is difficult for me to go to the bathroom.
Does the pain increase over the day, eg. it is worse in the evening? Are you more thirsty than usual? When the pain is there, are you bloated slightly? and if you press the spot, it does move away? You said your bottom hurts...is it an itchy, burning sensation?
Welcome to the gastroenterology community! This could be many different things, and I would recommend seeing a doctor about this to help you figure out what is going on. Are you having any GI symptoms with this like nausea, constipation, diarrhea, etc.?