Kinny Fear
Well, the treatments include watching fanmade music videos; catching up on Merlin, Sherlock, Torchwood, or any other British show that might include guest actors that have been on Doctor Who; watching Classic Who episodes on netflix and youtube; marathoning the previous episodes; talking with us here.
The cure is new episodes.
You could also read something that's related to "Doctor Who".
A Teaspoon and an Open Mind is a great specialised fanfic site and
fanfiction.net has a "Doctor Who" section. Or, if you're not into fanfiction, try one of the official novels.