Biologics are definitely a trial-and-error medication. It has taken me approximately 4 years to get results. I have tried Humira, Enbrel, and Simponi Aria. The first two didn't work at all and I used the Humira for a total of 6 months and Enbrel 3 months to see if it would kick in and ease my pain. But nothing, no help whatsoever. I really questioned my AS diagnosis, as nothing was helping. But I was encouraged to try the next biologic. Simponi Aria infusion every 8 weeks did help, but only got 4-6 weeks of relief - so was on a roller coaster of pain and flares. I did use it for about a year and a half. I started my 4th biologic, Remicade infusions, last year (2019/2020) and it is the best so far. I get a loading dose of 5 mg/kg IV given at 0, 2, and 6 weeks and then every 6 weeks at my rheumatologist infusion center. So far, much better energy, kicking my fatigue down a notch or two, and the pain has decreased in all my joints. It's not gone, but lower than without treatment. Definitely speak with your physician if you feel you are not adequately controlled. Having a good working relationship with him/her is essential to your quality of treatment.