Betamethasone and Mepolizumab interaction
Betamethasone and Mepolizumab: the Mepolizumab prescribing label describes an interaction that usually calls for monitoring, a dose change, or spacing the doses.
Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.
What the FDA labels say
From the Mepolizumab (Nucala) label · effective 2025-08-06
Decrease corticosteroids gradually, if appropriate.
Reduction of Corticosteroid Dosage Do not discontinue systemic or inhaled corticosteroids (ICS) abruptly upon initiation of therapy with NUCALA.
Reductions in corticosteroid dosage, if appropriate, should be gradual and performed under the direct supervision of a physician.
Reduction in corticosteroid dosage may be associated with systemic withdrawal symptoms and/or unmask conditions previously suppressed by systemic corticosteroid therapy.
• Do not discontinue systemic or inhaled corticosteroids abruptly upon initiation of therapy with NUCALA.
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.