See also Precautions section.

Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

Some products that may interact with this drug are: aromatase inhibitors (such as anastrozole, exemestane), atazanavir/cobicistat, corticosteroids (such as prednisone), fezolinetant, ospemifene, raloxifene, tamoxifen, tizanidine, tranexamic acid, warfarin.

Drospirenone may raise your potassium blood level. Tell your doctor if you are regularly taking other drugs/products that can also raise your potassium level (including aliskiren, ACE inhibitors such as enalapril/lisinopril, angiotensin receptor blockers such as losartan/valsartan, heparin, NSAIDs such as ibuprofen/naproxen, potassium-sparing "water pills"/diuretics such as eplerenone/spironolactone/triamterene).

Other medications can affect the removal of estrogen from your body, which may affect how estrogen works. Examples include azole antifungals (such as itraconazole), macrolide antibiotics (such as erythromycin), rifamycins (such as rifabutin), St. John's wort, drugs used to treat seizures (such as carbamazepine, phenytoin), among others.

This medication may interfere with certain lab tests, possibly causing false test results. Make sure lab personnel and all your doctors know you use this drug.