Q: Prednisone threshold A: What prednisone threshold do you mean? - Dose/duration that risks adrenal suppression - Dose equivalent for steroid conversion - Blood glucose or infection-risk threshold - Threshold for Pneumocystis prophylaxis - Tapering threshold - A specific condition or test Q: Quick answer A: “Prednisone threshold” most often means the immunosuppression level at which Pneumocystis jirovecii pneumonia PJP prophylaxis is considered: - Prednisone-equivalent 20 mg/day or more for 4 weeks or longer - Risk is higher if combined with other immunosuppressants, cancer therapy, transplant, or underlying inflammatory disease. If you mean a different threshold, such as adrenal suppression, tapering, infection risk, vaccination, or glucose effects, say which context.