I have surgery next Monday, the 15th, so I have been on the pre op diet for a week. I am struggling with exhaustion, light-headedness, headaches..... I had my pre op visit to the hospital on the 5th and got my lab results today. My sodium and chloride are both low. My BUN, creatinine, and my BUN/creatinine ratio are all high. My ratio is 30.2 and the range high is 20. I tried to contact the doctor on call tonight at the hospital, but never received a return call. I am going to bed now and will call the office tomorrow morning to try to figure out what is going on. It is impossible to exercise when you are so tired you can barely hold your head up. Has anybody else had anything like this happen?

I would certainly get those test results explained to you - I can't offer advice there because I am not a doctor.

What I can tell you is that your body is starting to go into starvation mode and it is completely normal for you to feel the way you are - exhausted, weak, light headed. This will pass. It's your body's way of telling you that you are starving and that you need to eat more. Your body is fighting you.

After surgery my body really resisted me not eating. I was able to up my Protein a little bit through clear liquid Protein and that made a world of difference. Maybe try that.

I would certainly get those test results explained to you - I can't offer advice there because I am not a doctor.

What I can tell you is that your body is starting to go into starvation mode and it is completely normal for you to feel the way you are - exhausted, weak, light headed. This will pass. It's your body's way of telling you that you are starving and that you need to eat more. Your body is fighting you.

After surgery my body really resisted me not eating. I was able to up my Protein a little bit through clear liquid protein and that made a world of difference. Maybe try that.

Thank you for the advice. I have tried to up my caloric intake a bit and that has given me a bit more energy. I still want to sleep a lot, and I don't have enough energy for exercise, but at least I don't feel like I'm dying anymore. I think I will call the nurse tomorrow and have her explain my blood test results. I haven't done that yet.

Thanks for your support.