Originally Posted by jenn_librarian
My dad had something odd like that a year and a half ago. He had numbness/weakness in his arms and legs, then his joints swelled up, and he had to have fluid removed. There was a rash as well, and a fever. The doctors had no idea what it was. They ran so many tests, but nothing was conclusive. He wasn't able to work in his garden, go fishing or anything. The only thing anyone could think of was that it was auto-immune. He hasn't had a recurrence to date that I know of, but it lasted for months.