What the FDA labels say about taking them together
Lovastatin and tocilizumab
Tocilizumab's FDA label of December 16, 2025 names lovastatin in its drug interactions section; the lovastatin label PlainMeds reads does not name tocilizumab. The tocilizumab label: “Exercise caution when coadministering TYENNE with CYP3A4 substrate drugs where decrease in effectiveness is undesirable, e.g., oral contraceptives, lovastatin, atorvastatin, etc. …”
Check it at the source: the lovastatin FDA label on DailyMed (effective May 6, 2026, Lupin Pharmaceuticals, Inc.); the tocilizumab FDA label on DailyMed (effective December 16, 2025, Genentech, Inc.).
What does the lovastatin label say about tocilizumab?
Lovastatin's label (effective May 6, 2026) does not name tocilizumab in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Lovastatin), Lupin Pharmaceuticals, Inc., effective May 6, 2026 (SPL set df7ddf4f-d569-431e-81f1-9129d7043150), via openFDA; the full label on DailyMed
What does the tocilizumab label say about lovastatin?
Tocilizumab label, drug interactionsExercise caution when coadministering ACTEMRA with CYP3A4 substrate drugs where decrease in effectiveness is undesirable, e.g., oral contraceptives, lovastatin, atorvastatin, etc. The effect of tocilizumab on CYP450 enzyme activity may persist for several weeks after stopping therapy [see Clinical Pharmacology (12.3) ].
Source: FDA drug label (Avtozma, BLA761420), CELLTRION USA, Inc., effective July 27, 2026 (SPL set 581c288f-8015-40ef-a4c3-683c96db193d), via openFDA
Source: FDA drug label (Tyenne, BLA761275), Fresenius Kabi USA, LLC, effective August 26, 2026 (SPL set ad76441d-da59-47df-8d9d-2243005180f0), via openFDA
Source: FDA drug label (ACTEMRA), Genentech, Inc., effective December 16, 2025 (SPL set 2e5365ff-cb2a-4b16-b2c7-e35c6bf2de13), 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
| Lovastatin | Tocilizumab | |
|---|---|---|
| Labeled for | High cholesterol, Heart attack and coronary artery disease | Rheumatoid arthritis, COVID-19 |
| Boxed warning | No | Yes |
| Pharmacy cost (NADAC) | $0.0436 per tablet 20 mg tablet | $821.00 per mL 162 mg/0.9 mL autoinjct |
| Shortage now | No current entry | No current entry |
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