I had all the tests required. Liver, kidneys, heart, stomach and lungs seem completely healthy. However I got nausea even ten days after I stop drinking. I can eat too much while being drunk, I can't eat anything without coughing and wanting to vomit while being sober. I thought it was a liver disease that's why I stopped drinking back then, but the doctor couldn't find a physical cause of the problem. I suppose it's just withdrawal symptoms and I either have to stop for months or drink more so I won't feel them.