You keep retching when your stomach is empty because it is telling you need to eat. Your body needs food.
Regurgitation.
The resistance to peristaltic movement in the stomach is caused by retching. Retching has several physical indicators such as vomiting ,dry heaving, and nausea. If these symptoms persist, you need to consult a physician.
Yes, you can eat an apple on an empty stomach. You can also eat any other food on an empty stomach.
Rugae
The volume of an average adult's empty stomach is 1/5 of a cup.
Yes, you can experience acid reflux on an empty stomach.
Yes, you can take zinc on an empty stomach. It is generally recommended to take zinc supplements with food to reduce the risk of stomach upset, but taking it on an empty stomach is also acceptable.
you could use sickening when someone is doing something revolting or disgusting. (i.e., 'The sound of her retching was sickening to my stomach.')
take it with water on empty stomach
Neither. You should have something in your stomach, and settled, but you should not be full (you will get sick) or empty (your stomach will cramp).
Alcohol is more readily absorbed on an empty stomach, than the slow absorption on a full stomach.
Retching can be used to replace throwing up in a sentence. For example: I watched in amusement as the boy continued his retching after he chugged a gallon of water.