Hello Twisted Metal.
Where did you read that constipation is a permanent side-effect of Wellbutrin?
I've always thought people can respond differently to a particular med.
I think not being able to eat an adequate amount of calories and nutrients is a serious problem, not just physically but mentally also. Unless you're able to find a way to relieve the constipation and start eating more food, it seems like your only option would be to stop taking the Wellbutrin. Do you think taking a laxative or eating food that's high in fiber would help any?