Amlodipine and atorvastatin and Conjugated estrogens interaction
Amlodipine and atorvastatin and Conjugated estrogens: the Amlodipine and atorvastatin 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 Amlodipine and atorvastatin label · effective 2026-05-21
• Oral Contraceptives: May increase plasma levels of norethindrone and ethinyl estradiol; consider this effect when selecting an oral contraceptive ( 7.5 ).
Atorvastatin Effects on Other Drugs Oral Contraceptives Clinical Impact: Co-administration of atorvastatin and an oral contraceptive increased plasma concentrations of norethindrone and ethinyl estradiol [see Clinical Pharmacology (12.3) ].
Intervention: Consider this when selecting an oral contraceptive for patients taking atorvastatin.
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.