Systemic Corticosteroids

Systemic corticosteroids are medicines in the immune class. This group includes Prednisone, Prednisolone, Dexamethasone, Methylprednisolone (Medrol), and Hydrocortisone. They are used in medical care where their effects on immune activity are relevant.

This page is an educational reference for checking whether other products, including supplements, may interact with a systemic corticosteroid. For questions involving a medical condition or treatment, consult a clinician.

The most serious concerns involve Saccharomyces Boulardii and Vitamin A. High-dose or prolonged systemic corticosteroid therapy may suppress host defenses and increase susceptibility to invasive Saccharomyces infection. Combining systemic corticosteroids with Vitamin A increases the risk of intracranial hypertension (pseudotumor cerebri), with multiple case reports documenting this interaction, particularly with high-dose vitamin A. These combinations merit review with a prescriber or pharmacist.

Several interactions involve potassium, sodium, or blood glucose. Aloe Vera and Apple Cider Vinegar may add to corticosteroid-associated potassium loss, increasing the risk of hypokalemia. Sodium Bicarbonate may compound sodium retention and potassium loss, contributing to edema, hypertension, hypokalemia, and alkalosis, particularly with high doses or heart failure. Potassium supplementation may be opposed by corticosteroid-related renal potassium loss. Vitamin B3 (Niacin) and systemic corticosteroids can both worsen insulin resistance and hyperglycemia, particularly in predisposed patients.

Immune-modulating supplements may work against corticosteroid treatment. Cordyceps could oppose corticosteroid immunosuppression, while Astragalus may reduce immunosuppressive efficacy. Black Elderberry presents a theoretical concern because its immune-modulating effects could oppose therapy, although reduced corticosteroid efficacy has not been demonstrated. Calcium effectiveness and bone health benefits may be reduced because corticosteroids decrease intestinal calcium absorption and increase renal calcium excretion. Long-term corticosteroid use can also deplete selenium stores by increasing urinary selenium excretion.

Omega-3 is a potentially useful combination: fish oil supplementation was associated with significant reduction in corticosteroid dose in both anti-inflammatory and Western diet groups. The relevance of this finding to an individual treatment plan should be discussed with a clinician.