I know how those withdrawls feel, they're gawdawful! I was on risperdal for nearly 2yrs when I quit it cold turkey. N0T FUN. I just waited it out. Your pdoc seems useless, mine would've helped had I asked. Silverlining? Withdrawls don't last forever, hang in there, moniter your symptoms and keep calling your pdoc, he's your SERVICE PROVIDER. (you'd be suprized how many people seemingly overlooks this fact)
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Goodluck