What the FDA labels say about taking them together
Atorvastatin and leflunomide
Leflunomide's FDA label of June 4, 2025 names atorvastatin in its drug interactions section; the atorvastatin labels PlainMeds reads (2) do not name leflunomide. The leflunomide label: “For other substrates of BCRP (e.g., mitoxantrone) and drugs in the OATP family, especially HMG-Co reductase inhibitors, consider reducing the dose of these drugs and monitor patients closely for signs and symptoms of …”
Check it at the source: the atorvastatin FDA label on DailyMed (effective April 15, 2024, Viatris Specialty LLC); the leflunomide FDA label on DailyMed (effective June 4, 2025, sanofi-aventis U.S. LLC).
What does the atorvastatin label say about leflunomide?
Atorvastatin's label (effective April 15, 2024) and its 1 other brand-application label do not name leflunomide in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Lipitor), NDA020702 (Upjohn), as published by Viatris Specialty LLC, effective April 15, 2024 (SPL set a60cc18b-0631-4cf0-b021-9f52224ece65), via openFDA; the full label on DailyMed
What does the leflunomide label say about atorvastatin?
Leflunomide label, drug interactionsFor other substrates of BCRP (e.g., mitoxantrone) and drugs in the OATP family (e.g., methotrexate, rifampin), especially HMG-Co reductase inhibitors (e.g., atorvastatin, nateglinide, pravastatin, repaglinide, and simvastatin), consider reducing the dose of these drugs and monitor patients closely for signs and symptoms of increased exposures to the drugs while patients are taking ARAVA [see Clinical Pharmacology (12.3) ].
Source: FDA drug label (Arava), sanofi-aventis U.S. LLC, effective June 4, 2025 (SPL set 320f63f2-fac3-4aee-aff8-85724e00ef52), via openFDA; the full label on DailyMed
These are the labels' own sentences. PlainMeds does not grade interactions; a pharmacist or prescriber can say what they mean for one person's medicines.
Both medicines on the record
| Atorvastatin | Leflunomide | |
|---|---|---|
| Labeled for | High cholesterol, Angina, High triglycerides, Heart attack and coronary artery disease | Rheumatoid arthritis |
| Boxed warning | No | Yes |
| Pharmacy cost (NADAC) | $0.0228 per tablet 10 mg tablet | $0.324 per tablet 10 mg tablet |
| Shortage now | No current entry | A presentation being discontinued |
Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)
What next?
- Check more medicines together
- up to five at once