Well, that is exactly what withdrawal is like.
And while no one wants to detox, there is little physical
difference between that
and the flu. You won't die from it.
How many do you have left now? If you have some left you may want to try a taper. You can only do that successfully if you have help. If not, cold turkey is the way to go. There are supplements that are available otc that can ease the discomfort.