I also went cold turkey the day of my surgery. I had a monster sized diet Coke the day before though. I used to drink Diet Coke and/or iced tea all day long - no regular water. I haven't had any caffeine or soda since the day before my surgery and I am fine. I tried a sip of Diet Coke once and it tasted horrible - don't know how I drank it before. I also drink the sugar free Hawaiian Punch - I use the individual packets you can add to your water - I also use the Walmart brand ones. I tried decaff iced tea, but didn't like the taste so I don't have that either. I guess I didn't notice the withdrawal headaches etc as I was on pain meds for the surgery already.

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Pam
Orientation 5/08, Surgery 8/26/08