Hello, I think I can help you. Whenever you drink alcohol, there is a byproduct that builds up in your system. Even though the alcohol itself has been metabolized by your liver, the effects of the alcohol can last for 1 to 2 days because the byproducts have not finished metabolizing. Also, whenever you drink alcohol, your body becomes very dehydrated. This can lead to dizziness, especially when you stand up. Sometimes the blood pressure can be normal but when you stand it drops. Also, sometimes alcohol can affect your pancreas which can cause pain, nausea, and vomiting. If this is the case and you cannot eat much you should get checked by your physician. Also, you may just have some sort of virus that will pass on its own and doesn t have anything to do with the alcohol. I this point I would advise abstaining from alcohol and drinking plenty of fluids. Drink whatever fluid you like, as long as it does not contain alcohol or caffeine. I hope you feel better soon.