Hello, I am a 26year old female and weight about 135lbs. In November 2010 I began vomiting several times a day and am always nauseous, unable to eat or drink. I was put on numerous medications; the only one that has worked is Zophran.Since starting on Zophran and more recently adding Motilium, the vomiting has reduced to 1-3 times a day but I still have difficulties eating and drinking. As of now I can only drink black coffee and carbonated water. My diet changes daily/per meal because of the nausea (whatever I feel for at the moment). Previous to this I lived a very healthy lifestyle, I worked out heavily, ate a very clean diet low in sugars, fats, 'bad' carbohydrates, and no processed food.
I have had every test run on me to rule out gastric issues and they have all come back clear. Its nearly 8 months later and I am still having these issues and not being able to figure it out. Here is a list of my symptoms:

nausea (triggered by sight, smell, taste)
vomiting (triggered by taste, unsettled feeling after eating, drinking 'flat' water)
constipation (medication induced)
low energy
mental fogginess/difficulty concentrating

I have been checked for the following:
Celiac Disease, Crohn's Disease, GERD, H. Pylori, and the list goes on and on.

I have been diagnosed with:
Gastritis and ulcers, at one point i had a tear in the esophagus.

My doctor is convinced it is a motility problem causing me to throw up but I don't agree. The tests all came back (stomach empty, gall bladder, liver, pancreas, kidneys, blood work) as all fine and above average. I have lost 20lbs in the first 3 months and have since learned what and when to eat and drink. Coupled with the medication I have been able to maintain my weight but am still only able to eat every 8-12hrs.

PLEASE HELP!!!!