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Propranolol Pregnancy and Breastfeeding Warnings

Propranolol is also known as: Hemangeol, Inderal, Inderal LA, Inderal XL, InnoPran XL

Propranolol Pregnancy Warnings

This drug is only recommended for use during pregnancy when there are no alternatives and the benefit outweighs the risk. AU TGA pregnancy category: C US FDA pregnancy category: C

Beta blockers may cause decreased placental perfusion, fetal and neonatal bradycardia, and hypoglycemia. Propranolol has been used safely to treat a variety of conditions during pregnancy, including hypertension and pheochromocytoma in the mother, and tachyarrhythmias in both the mother and fetus. There are a number of abnormalities associated with the use of propranolol during pregnancy, but many of these may be attributable to underlying diseases. These abnormalities include some signs of beta-blockade, such as bradycardia, hypoglycemia, and respiratory depression. Other abnormalities that may be due to propranolol include intrauterine growth retardation, small placentas, polycythemia, thrombocytopenia, and hypocalcemia. AU TGA pregnancy category C: Drugs which, owing to their pharmacological effects, have caused or may be suspected of causing, harmful effects on the human fetus or neonate without causing malformations. These effects may be reversible. Accompanying texts should be consulted for further details. US FDA pregnancy category C: Animal reproduction studies have shown an adverse effect on the fetus and there are no adequate and well-controlled studies in humans, but potential benefits may warrant use of the drug in pregnant.

Propranolol Breastfeeding Warnings

Propranolol milk to maternal plasma ratios as high as 1.5 has been reported. While no adverse effects in the nursing infant have been reported, experts advise monitoring the infant for signs and symptoms of beta-blockade and to schedule feedings at least three hours after maternal propranolol administration.

Use is not recommended. Excreted into human milk: Yes Comments: Propranolol levels in breast milk are low and would not be expected to cause any adverse effects in breastfed infants.

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