The Basics

What is Pravastatin?

Used to help lower bad cholesterol and fats (such as LDL, triglycerides) and raise good cholesterol (HDL) in the blood.

Brand names for Pravastatin

Pravachol

How Pravastatin is classified

Anticholesteremic Agents, Antilipemic Agents, Hydroxymethylglutaryl-CoA Reductase Inhibitors

Pravastatin During Pregnancy

Pravastatin pregnancy category

Category XNote that the FDA has deprecated the use of pregnancy categories, so for some medications, this information isn’t available. We still think it’s useful to list historical info, however, given what a common proxy this has been in the past.

What we know about taking Pravastatin while pregnant

PRAVACHOL is contraindicated for use in pregnant woman because of the potential for fetal harm. As safety in pregnant women has not been established and there is no apparent benefit to therapy with PRAVACHOL during pregnancy, PRAVACHOL should be immediately discontinued as soon as pregnancy is recognized . Limited published data on the use of PRAVACHOL in pregnant women are insufficient to determine a drug-associated risk of major congenital malformations or miscarriage. In animal reproduction studies, no evidence of fetal malformations was seen in rabbits or rats exposed to 10 times to 120 times, respectively, the maximum recommended human dose (MRHD) of 80 mg/day. Fetal skeletal abnormalities, offspring mortality, and developmental delays occurred when pregnant rats were administered 10 times to 12 times the MRHD during organogenesis to parturition . Advise pregnant women of the potential risk to a fetus. The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2-4% and 15-20%, respectively.

Taking Pravastatin While Breastfeeding

What are recommendations for lactation if you're taking Pravastatin?

Levels of pravastatin in milk are low, but no relevant published information exists with its use during breastfeeding. The consensus opinion is that women taking a statin should not breastfeed because of a concern with disruption of infant lipid metabolism. However, others have argued that children homozygous for familial hypercholesterolemia are treated with statins beginning at 1 year of age, that statins have low oral bioavailability, and risks to the breastfed infant are low, especially with rosuvastatin and pravastatin.[1] Until more data become available, an alternate drug may be preferred, especially while nursing a newborn or preterm infant.

Maternal / infant drug levels

Levels of pravastatin in milk are low, but no relevant published information exists with its use during breastfeeding. The consensus opinion is that women taking a statin should not breastfeed because of a concern with disruption of infant lipid metabolism. However, others have argued that children homozygous for familial hypercholesterolemia are treated with statins beginning at 1 year of age, that statins have low oral bioavailability, and risks to the breastfed infant are low, especially with rosuvastatin and pravastatin.[1] Until more data become available, an alternate drug may be preferred, especially while nursing a newborn or preterm infant.

Possible effects of Pravastatin on milk supply

Relevant published information was not found as of the revision date.

Possible alternatives to Pravastatin

Cholestyramine, Colesevelam, Colestipol.

List of References

Lactation sources: Drugs and Lactation Database (LactMed) [Internet]. Bethesda (MD): National Library of Medicine (US); 2006-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK501922/1. Holmsen ST, Bakkebo T, Seferowicz M et al. Statins and breastfeeding in familial hypercholesterolaemia. Tidsskr Nor Laegeforen. 2017;137:686-7. PMID: 28551957
2. Pan H, Fleiss P, Moore L et al. Excretion of pravastatin, an HMG CoA reductase inhibitor, in breast milk of lactating women. J Clin Pharmacol. 1988;28:942. Abstract.

Disclaimer: This material is provided for educational purposes only and is not intended for medical advice, diagnosis, or treatment. Consult your healthcare provider with any questions.

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