Suggest Treatment For Acid Reflux,gastritis And Bloating Of Stomach

I'm a 23 year old female. For the past 3 days my stomach has felt not quite naseous, but queasy. The very first day I felt light headed. Greasy foods & perfume are percieved a lot more recently. I've had acid reflux & gastritis in the past as to where I eat spicy or greasy foods & my stomach gets out of hand. Haven't been eating much due to appetite loss, but after a while I get a grumbling stomach & queasy stomach. Once I start eating after several bites my stomach calms down, but then the smell of food makes it feel queasy once more so I stop. My menstrual cycle is constant, but this past month i got it twice in one month. 2 wks apart from each other & thats never happened to me before. The second time I had it in that month was a day after I got my first pap-smear which hurt when the doctor did it. I've had unprotected sex for around almost 5 months, but my partner has never ejaculated in me. This is my first and only partner. Close to 2 wks ago was the last time I had intercourse & when my partner was about to pull out I felt some sort of squirt in me, very minimal kind of like a drip. I'm thinking it was the pre-cum or it might have been my own, on his reproductive organ & once he pulled out I felt the squirt? My partner hadn't started ejaculating until a second or two later that he did pull out. My period is to come maybe in about 2 wks. I've been having mood swings, although I usually get like that when I'm stressing, which I am right now. Today for the first time I was laying down I felt pulsating in my stomach mostly the right side, but at first it was felt throughout all of my stomach it didnt stop until I sat up. I do feel bloated & feel like burping quite often. I doubt I could be pregnant since I have been getting my periods on time. I haven't missed a single month. I've taken the morning after pill twice, hours after my partner ejaculating in me.