Acetylcholinesterase Inhibitors: Corticosteroids (Systemic) may enhance the adverse/toxic effect of Acetylcholinesterase Inhibitors. Increased muscular weakness may occur. Risk C: Monitor therapy
Aldesleukin: Corticosteroids may diminish the antineoplastic effect of Aldesleukin. Risk X: Avoid combination
Aminoglutethimide: May increase the metabolism of Corticosteroids (Systemic). Risk C: Monitor therapy
Amphotericin B: Corticosteroids (Systemic) may enhance the hypokalemic effect of Amphotericin B. Risk C: Monitor therapy
Antacids: May decrease the bioavailability of Corticosteroids (Oral). Risk D: Consider therapy modification
Antidiabetic Agents: Corticosteroids (Systemic) may diminish the hypoglycemic effect of Antidiabetic Agents. In some instances, corticosteroid-mediated HPA axis suppression has led to episodes of acute adrenal crisis, which may manifest as enhanced hypoglycemia, particularly in the setting of insulin or other antidiabetic agent use. Risk C: Monitor therapy
Antifungal Agents (Azole Derivatives, Systemic): May decrease the metabolism of Corticosteroids (Systemic). Risk C: Monitor therapy
Aprepitant: May increase the serum concentration of Corticosteroids (Systemic). Risk D: Consider therapy modification
Barbiturates: May decrease the serum concentration of Corticosteroids (Systemic). Risk C: Monitor therapy
BCG: Immunosuppressants may diminish the therapeutic effect of BCG. Risk X: Avoid combination
Bile Acid Sequestrants: May decrease the absorption of Corticosteroids (Oral). Risk C: Monitor therapy
Calcitriol: Corticosteroids (Systemic) may diminish the therapeutic effect of Calcitriol. Risk C: Monitor therapy
Calcium Channel Blockers (Nondihydropyridine): May decrease the metabolism of Corticosteroids (Systemic). Exceptions: Bepridil [Off Market]. Risk C: Monitor therapy
Coccidioidin Skin Test: Immunosuppressants may diminish the diagnostic effect of Coccidioidin Skin Test. Risk C: Monitor therapy
Conivaptan: May increase the serum concentration of CYP3A4 Substrates (Low risk). Risk C: Monitor therapy
Corticorelin: Corticosteroids may diminish the therapeutic effect of Corticorelin. Specifically, the plasma ACTH response to corticorelin may be blunted by recent or current corticosteroid therapy. Risk C: Monitor therapy
CycloSPORINE: PrednisoLONE (Systemic) may increase the serum concentration of CycloSPORINE. PrednisoLONE (Systemic) may decrease the serum concentration of CycloSPORINE. CycloSPORINE may increase the serum concentration of PrednisoLONE (Systemic). Risk C: Monitor therapy
CycloSPORINE (Systemic): PrednisoLONE (Systemic) may decrease the serum concentration of CycloSPORINE (Systemic). PrednisoLONE (Systemic) may increase the serum concentration of CycloSPORINE (Systemic). CycloSPORINE (Systemic) may increase the serum concentration of PrednisoLONE (Systemic). Risk C: Monitor therapy
Deferasirox: Corticosteroids (Systemic) may enhance the adverse/toxic effect of Deferasirox. Specifically, the risk for GI ulceration/irritation or GI bleeding may be increased. Risk C: Monitor therapy
Deferasirox: Corticosteroids may enhance the adverse/toxic effect of Deferasirox. Specifically, the risk for GI ulceration/irritation or GI bleeding may be increased. Risk C: Monitor therapy
Denosumab: May enhance the adverse/toxic effect of Immunosuppressants. Specifically, the risk for serious infections may be increased. Risk C: Monitor therapy
Echinacea: May diminish the therapeutic effect of Immunosuppressants. Risk D: Consider therapy modification
Estrogen Derivatives: May increase the serum concentration of Corticosteroids (Systemic). Risk C: Monitor therapy
Fluconazole: May decrease the metabolism of Corticosteroids (Systemic). Risk C: Monitor therapy
Fosaprepitant: May increase the serum concentration of Corticosteroids (Systemic). The active metabolite aprepitant is likely responsible for this effect. Risk D: Consider therapy modification
Isoniazid: Corticosteroids (Systemic) may decrease the serum concentration of Isoniazid. Risk C: Monitor therapy
Leflunomide: Immunosuppressants may enhance the adverse/toxic effect of Leflunomide. Specifically, the risk for hematologic toxicity such as pancytopenia, agranulocytosis, and/or thrombocytopenia may be increased. Management: Consider not using a leflunomide loading dose in patients receiving other immunosuppressants. Patients receiving both leflunomide and another immunosuppressant should be monitored for bone marrow suppression at least monthly. Risk D: Consider therapy modification
Loop Diuretics: Corticosteroids (Systemic) may enhance the hypokalemic effect of Loop Diuretics. Risk C: Monitor therapy
Macrolide Antibiotics: May decrease the metabolism of Corticosteroids (Systemic). Exceptions: Azithromycin; Azithromycin (Systemic); Fidaxomicin (Systemic); Spiramycin. Risk D: Consider therapy modification
Mitotane: May decrease the serum concentration of Corticosteroids (Systemic). Risk D: Consider therapy modification
Natalizumab: Immunosuppressants may enhance the adverse/toxic effect of Natalizumab. Specifically, the risk of concurrent infection may be increased. Risk X: Avoid combination
Neuromuscular-Blocking Agents (Nondepolarizing): May enhance the adverse neuromuscular effect of Corticosteroids (Systemic). Increased muscle weakness, possibly progressing to polyneuropathies and myopathies, may occur. Risk D: Consider therapy modification
NSAID (COX-2 Inhibitor): Corticosteroids (Systemic) may enhance the adverse/toxic effect of NSAID (COX-2 Inhibitor). Risk C: Monitor therapy
NSAID (Nonselective): Corticosteroids (Systemic) may enhance the adverse/toxic effect of NSAID (Nonselective). Risk C: Monitor therapy
Pimecrolimus: May enhance the adverse/toxic effect of Immunosuppressants. Risk X: Avoid combination
Primidone: May decrease the serum concentration of Corticosteroids (Systemic). Risk C: Monitor therapy
Quinolone Antibiotics: May enhance the adverse/toxic effect of Corticosteroids (Systemic). Risk of tendon-related side effects, including tendonitis and rupture, may be enhanced. Risk C: Monitor therapy
Rifamycin Derivatives: May increase the metabolism of Corticosteroids (Systemic). Risk C: Monitor therapy
Roflumilast: May enhance the immunosuppressive effect of Immunosuppressants. Risk D: Consider therapy modification
Salicylates: May enhance the adverse/toxic effect of Corticosteroids (Systemic). These specifically include gastrointestinal ulceration and bleeding. Corticosteroids (Systemic) may decrease the serum concentration of Salicylates. Withdrawal of corticosteroids may result in salicylate toxicity. Risk C: Monitor therapy
Sipuleucel-T: Immunosuppressants may diminish the therapeutic effect of Sipuleucel-T. Risk C: Monitor therapy
Tacrolimus (Topical): May enhance the adverse/toxic effect of Immunosuppressants. Risk X: Avoid combination
Telaprevir: Corticosteroids (Systemic) may decrease the serum concentration of Telaprevir. Telaprevir may increase the serum concentration of Corticosteroids (Systemic). Management: Concurrent use of telaprevir and systemic corticosteroids is not recommended. When possible, consider alternatives. If used together, employ extra caution and monitor closely for excessive corticosteroid effects and diminished telaprevir effects. Risk D: Consider therapy modification
Telaprevir: May increase the serum concentration of Corticosteroids. Corticosteroids may decrease the serum concentration of Telaprevir. Management: Concurrent use of telaprevir and systemic corticosteroids is not recommended. When possible, consider alternatives. If used together, employ extra caution and monitor closely for excessive corticosteroid effects and diminished telaprevir effects. Risk D: Consider therapy modification
Thiazide Diuretics: Corticosteroids (Systemic) may enhance the hypokalemic effect of Thiazide Diuretics. Risk C: Monitor therapy
Tocilizumab: May decrease the serum concentration of CYP3A4 Substrates. Risk C: Monitor therapy
Trastuzumab: May enhance the neutropenic effect of Immunosuppressants. Risk C: Monitor therapy
Vaccines (Inactivated): Immunosuppressants may diminish the therapeutic effect of Vaccines (Inactivated). Risk C: Monitor therapy
Vaccines (Live): Corticosteroids (Systemic) may enhance the adverse/toxic effect of Vaccines (Live). Risk D: Consider therapy modification
Warfarin: Corticosteroids (Systemic) may enhance the anticoagulant effect of Warfarin. Risk C: Monitor therapy
Ethanol/Nutrition/Herb Interactions
Ethanol: Avoid ethanol (may increase gastric mucosal irritation).
Food: Prednisolone interferes with calcium absorption. Limit caffeine.
Herb/Nutraceutical: St John's wort may decrease prednisolone levels. Avoid cat's claw, echinacea (have immunostimulant properties).