Table 1

Symptoms reported during the prodromal phase of CVS

Number of Patients Reporting
Symptoms During Prodrome

23
Nausea
10
Sweating
9
Epigastric pain or "pressure"
9
Fatigue or weakness
8
Feeling hot and/or chilly
6
Cramping urge to defecate
5
Abdominal pain
5
Shivering or shakiness
5
Insomnia or restless, interrupted sleep
4
Aversion for food
4
Pounding or irregular heartbeat
3
Irritability
3
"Panic feelings"
2
Intense thirst
2
Feelings of depersonalization
2
Headache
2
Increased salivation
2
Dyspnea
2
A sensation of abdominal bloating
2
Inability to burp
2
Excessive burping
2
Inability to effect the desired passage of stool or flatus
2
Loose stooling
2
Epigastric burning
1
Paresthesias
1
Light headedness

Fleisher et al. BMC Medicine 2005 3:20   doi:10.1186/1741-7015-3-20