It took 4 months for the Humira to start really working for me. You should give it more time, it can work as little as 4 weeks(loading doses) to 6 months.
You may also ask your doctor about taking it once a week.
33 yr old Male from NYC, DX with Crohn's in oct of 1987, at age 12.
Resection in 1990 at age of 15.
Currently on Humira pen shots, 40mg weekly. Cipro 2x a day.
Multi vitamin daily, B 12 pill 2x a day.
Anemic again, started iron IV infusions.