Help. I'm getting a little scared

I started the raw diet about 4 days ago, and a few things started happening to me, and I'm beginning to think that perhaps this diet may be a little unsafe. My tongue turned orange. Is that normal?? Am I doing damage to myself?? Also, I am so down, depressed, and tired? I just can't get a lift.. I don't want to do any permanent damage. Please advise me. Is this just what I'm supposed to go through before it gets better??? If it is, how long does it last? I just don't feel like doing anything. I can't think straight, and I just feel so down. Please help. I don't want to damage myslef. Thanks.
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