Dexamethasone and Lenalidomide interaction

Dexamethasone and Lenalidomide: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.

Major

Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.

What the FDA labels say

From the Lenalidomide (Revlimid) label · effective 2023-03-24

Major

Venous and Arterial Thromboembolism REVLIMID has demonstrated a significantly increased risk of deep vein thrombosis (DVT) and pulmonary embolism (PE), as well as risk of myocardial infarction and stroke in patients with multiple myeloma who were treated with REVLIMID and dexamethasone therapy.

Boxed warningnames DexamethasoneView label on DailyMed
Major

VENOUS AND ARTERIAL THROMBOEMBOLISM Significantly increased risk of deep vein thrombosis (DVT) and pulmonary embolism (PE), as well as risk of myocardial infarction and stroke in patients with multiple myeloma receiving REVLIMID with dexamethasone.

Boxed warningnames DexamethasoneView label on DailyMed
Major

Treatment of patients with MM with a PD-1 or PD-L1 blocking antibody in combination with a thalidomide analogue plus dexamethasone is not recommended outside of controlled clinical trials.

Warnings and precautionsnames DexamethasoneView label on DailyMed
Major

Hepatotoxicity Hepatic failure, including fatal cases, has occurred in patients treated with REVLIMID in combination with dexamethasone.

Warnings and precautionsnames DexamethasoneView label on DailyMed
Moderate

• Increased Mortality: Observed in patients with MM when pembrolizumab was added to dexamethasone and a thalidomide analogue ( 5.7 ).

Warnings and precautionsnames DexamethasoneView label on DailyMed

From the Dexamethasone (Hemady) label · effective 2026-01-09

Moderate

The risk for venous and arterial thromboembolism increases significantly when dexamethasone is administered with anti-myeloma products (e.g., thalidomide, lenalidomide, pomalidomide, and carfilzomib).

Warnings and precautionsnames LenalidomideView label on DailyMed

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Not 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.