I only have 3 days to go on the preop liquid meal replacement and I feel very sick. I haven't thrown up but feel like I am going to. Did anyone else experience this? I am also experiencing back pain in the evenings. But only in the evenings. Thanks in advance.

I've been on the pre-op diet 13 days, and yes, in the beginning I felt a little nausea. I think that I (not a big meat eater) was not used to the concentrated levels of protein. It didn't last more than a few days, though.

I think it is the increased protein Nd very low carbs you are eating. I hope you feel better soon!

I too felt the nausea. Lots of nausea but never threw up. Also was accompanied by headache.

No, but I sure was hungry, seemed like every other commercial on TV was for some delicious snack or incredible restaurant deal too

Stick with it, you'll feel better post-op and get a jump start on your weight loss.

I felt awful the first couple of days, but once I made it past day three, I was fine. Are you making sure to get plenty of fluids in?

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Yep!

But I didn’t do meal replacement I picked the milk diet and learnt just how lactose intolerant I was!

Didn’t drink milk before not as a drink didn’t do milkshakes etc just some cheese now and again so never knew sure found out!

I was told to stop immediately as your body will be in bad shape for the op and was told to go on the food option.

If you’re in major pain and feeling sick you need to tell them it could be an issue and not have the desired effect of the pre op diet and they could have a alternative option for you.

I thought it could be not enough fluids so I making sure I am getting them in today. However, I also have not been getting in the five shakes that are required because they are just making me sick. Two more days to go. I hope I am not messing up my insides by not drinking enough of them.