For the past few weeks (on and off), I have been burping up a horrible rotten egg smell/taste. This past Saturday night/Sunday morning, I woke up cramping, sweating, and needing to vomit at 2AM, 3AM, and 6AM. Around 9AM, I had painful diarrhea. The rest of Sunday I was fatigued and in pain. I have had 2 more bouts of diarrhea, and I vomited at around 6AM. I have just been feeling terrible in general ever since. My ribcage aches, and I feel famished, but I have no desire to try to eat anything.