Normal for me....I was very sick when I quit and experienced significant PAWS. Immediate detox effects definitely included no appetite, a lot of thirst, night sweats, throwing up and dry heaving, stomach distress... followed by leg cramps and seizures and various side effects from hand shakes to headaches to...
Taking care of myself best I could- sleeping a lot best I could, starting out with food like soup (it was winter so that helped with easy to eat foods) and toast etc.....getting myself to shower and dress and go to meetings (I did not drive- my spatial relation took awhile to stabilize)....
I don't ever want to go back there again, or even a milder version (that would be unlikely). You don't have to either once you get through the beginning.
You can do it.