The main symptoms of this phase are severe nausea, vomiting, and retching. At the peak of this phase, you may vomit several times an hour. You may be:
- quiet and able to respond to people around you
- unable to move and unable to respond to people around you
- twisting and moaning with intense pain in your abdomen
Nausea and vomiting can last from a few hours to several days.
Click here to learn more about phases of CVS: https://www.niddk.nih.gov/health-information/digestive-diseases/cyclic-vomiting-syndrome/symptoms-causes