Ah, didn't realize you were not in the U.S.
Sounds like you have a plausible answer, but if you have other questions, there is a MyHumira website, and you may be able to get questions answered via email.
Dx Mild Proctitis 7/06 at age 33, Dx Severe Pan Colitis 5/07, Dx Crohn's Colitis 10/07
Failed Asacol, Lialda, 6-MP, Canasa, Rowasa, Entocort, and Remicade
On Humira since 1/08 with promising results, but can't get below 5mg Prednisone
Take Tylenol #3 as needed when not in close proximity to a bathroom.
Put back on 40mg Prednisone again during mid-March flare, ack
4/9/08 Humira dose increased to 40mg/week
Down to 15mg pred