Hi My Name Is Bhoomi.I Am 31 Years Old..I Have

Hi my name is bhoomi.I am 31 years old..I have been diagnosed with ibs..I have it in my family history as well..I get cramps in my abdomen and I have to rush to d toilet to pass motions which is mostly always loose motions.I also feel gas moving in my life back whnever I eat spicy or fermented foods icluding garlic..so I totally avoid them..some days bck I was also diagnosed with stomach flu it got curbed after hvng norflox for 5days..twice a day..Bt now again. I face severe gas..passing..through my back..tight stomach and acute stomach cramps starting from upper abdomen to the sides as well..cant even sleep sideways..need to sleep straight only.. specially at midnight..which wakes me up from sleep..and lasts around 4 to 5 hrs..some tyms in those 5hrs I puked alot like atleast 3 tyms and pass motions also 3 or 4 tyms..pls help...shld I get a endoscopy done? Is it ibs only or smethng else like ulcer or gallbladder stone..?am worried..also I wld like to add I am not able to eat also..even if its small quantities..I do feel hungry Bt cant eat as if I eat I either puke or loose.motions start