How much more does taking humira (adalimumab) once a week versus bi weekly increase chances of lymphoma?

Humira (adalimumab) Side effects depend on several factors: the original disease, concomitant use of other medications like immunosuppressants. Dosing / frequency differ for from one indication to the other, and lymphoma isn't the only thing to worry about, confer with your doctor about risk/benefit ratio, and close follow up, no one can precisely predict, judicious use and weighing alternatives should be followed.