Tell your doctor about all other medicines you use, especially:
estrogens (birth control pills or hormone replacement);
a blood thinner such as warfarin (Coumadin, Jantoven);
a beta-blocker such as atenolol (Tenormin, Tenoretic), carvedilol (Coreg), labetalol (Normodyne, Trandate), metoprolol (Dutoprol, Lopressor, Toprol), nadolol (Corgard), propranolol (Inderal, InnoPran), sotalol (Betapace), and others; or
a diuretic (water pill) such as chlorothiazide (Diuril), hydrochlorothiazide (HydroDIURIL, Microzide), chlorthalidone (Hygroton, Thalitone), indapamide (Lozol), metolazone (Mykrox, Zaroxolyn), and others.
This list is not complete and other drugs may interact with Fish Oil. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.
 Fish Oil drug interactions (more detail)
