Table 2: Heart failure drug safety profile in pregnancy and lactation
Medication | FDA Pregnancy category | Lactation Safety |
Diuretics Bumetanide Furosemide Torsemide Hydrochlorothiazide Metolazone |
C C B B B |
Unknown Enters breast milk; may suppress lactation Unknown Enters breast milk; not recommended Enters breast milk; not recommended |
ACE Inhibitors Captopril Enalapril Lisinopril Ramipril |
D D D D |
Enters breast milk; not recommended Enters breast milk; not recommended Unknown Unknown |
Angiotensin receptor blockers Candesartan Losartan Valsartan |
D C (1st trimester) D (2nd/3rd trimester) D |
Unknown Unknown Unknown |
Beta Blockers Bisoprolol Carvedilol Metoprolol succinate Metoprolol tartrate |
C C C C |
Unknown Unknown Enters breast milk; use with caution Enters breast milk; use with caution |
Aldosterone antagonists Eplerenone Spironolactone |
B C |
Unknown Enters breast milk; not recommended |
Vasodilators Hydralazine Isosorbidedinitrate Isosorbidemononitrate |
C C B/C |
Enters breast milk; use with caution Unknown Enters breast milk; use with caution |
Digoxin | C | Enters breast milk; use with caution |
Anticoagulants Enoxaparin Unfractionated heparin Warfarin |
B C D (women with mechanical heart valves); X (other indications) |
Unknown Does not enter breast milk Does not enter breast milk |