Help, third day of a water fast and serious stomach pains and vomiting.

PLEASE HELP!!!!! My girlfriend started a Water Fast this weekend (her first time fast). Late into day 1 she had serious stomach pains that have not stopped. She's also vomited twice since, though after she threw up (even though not much came out) she felt some relief. I don't think she prepped for it very well and she sort of rushed into it...(didnt cut down to solely raw fruits and vegetables).. though her diet before hand was all vegan type foods and she cut her portions down before she started the fast to almost nothing. Don't know whether it matters, but she didn't do any colon cleansing before she started either. Tomorrow will be her 4th day and the pains are still at an all time high. I don't have much experience or knowledge in fasting, but as soon as I noticed how bad her stomach aches are I jumped online and buried myself in the world of water fasting. I had her do 1 enema yesterday and 1 today. She's drinking "smart water", its vapor distilled water (she feels it was making her worse and asked to try spring water). She is drinking about 2 liters of water a day. If her pains continue through tomorrow I feel she should turn this into a juice fast. Any help and/or advice is truly appreciated. Tweet