Hereditary angioedema agents C1 esterase inhibitor (human) Pregnancy and Breastfeeding Warnings Contents Berinert Pregnancy Warnings Berinert Breastfeeding Warnings Berinert Pregnancy Warnings Animal studies have failed to reveal evidence of teratogenicity. There are no controlled data in human pregnancy. FDA pregnancy category: C Use only if clearly needed and benefit outweighs potential risk. See references Berinert Breastfeeding Warnings Caution is recommendedExcreted into human milk: UnknownExcreted into animal milk: UnknownThe effects in the nursing infant are unknown. See references Share this Article Latest News Medical News Magnesium: Do the health benefits match the hype? Experts weigh in Feb 25, 2026 Longevity: Daily multi-ingredient supplement improves vascular aging Alzheimer's: Common bacteria found in eye linked to increased risk 5 healthy diets linked to increased longevity Depression: Single dose of psychedelic drug shows lasting effect Osteoarthritis: Effectiveness of exercise may be overstated Related Drugs Fidanacogene Elaparvovec Cerave Anti-Itch Centrum Adult Crovalimab Cyltezo Prefilled Syringe Zepbound Pen Mylanta One Uretron Ds Medihoney Wound And Burn Dressing Lidotrode