What Causes Severe Acid Reflux Having A History Of Fibromyalgia?

I m not sure if I should be worried about my stomach. The last two months I have been very gasie not sure why also seems to get very upset when I put food into it im like di aria after most meals. Now I take a stomach protect pill because I have RA and Fibromylia I only have a value movement once maybe twice a week. Most times I have constipation switching over to diaria in the same day them nothing for a few days the gas has gotten really worse now I eat cottage cheese and fruit to help with the costa patios im coming down with anther disease