Steroids for AIHA are a form of maintenance therapy — they help keep your red blood cells safe by suppressing your immune system while you take them, but they don’t cure the disease. If you stop steroids suddenly, the immune system can start attacking your blood cells again, sometimes within days or weeks. Unlike rituximab, which can sometimes induce long-term remission, steroids only manage the disease while they are being taken.

Steroids in AIHA suppress the immune system temporarily, so hemolysis is controlled only while you are taking them. Stopping steroids usually leads to a return of hemolysis, because the underlying autoimmune process is still active. Unlike rituximab, steroids don’t induce true remission, so continuous treatment or careful tapering is needed to keep the disease in check.
Steroids for AIHA are like insulin for diabetes: they control the disease while you’re taking them, but they don’t cure the underlying problem. If you stop suddenly, the disease can come back, just like blood sugar rises if you stop insulin.
For steroid-treated AIHA, the return of hemolysis after stopping steroids can be very fast, sometimes:
Within a few days if the steroids are stopped abruptly, especially if the patient was on high doses.
Within 1–2 weeks in many cases.
Sometimes it can be slower, over several weeks, depending on how long they were on steroids, the dose, and the individual’s immune activity.