From The Oxford English Dictionary:

scribblemania, n.

Intense enthusiasm or mania for writing.
Later frequently with reference to the use of the term by the Brontë family

. . . .

1813   C. Hutton Miser Married II. xxxvii. 191   When the scribblemania possesses any of us.
1836   C. Brontë Jrnl. Oct. in H. Glen Cambr. Compan. Brontës (2002) ii. 34   I am just going to write because I cannot help it. [Branwell] might indeed talk of scribblemania if he were to see me just now.

Link to the rest at The Oxford English Dictionary