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4 Interactions found for:

Xarelto and Vitamin D3
Interactions Summary
  • 2 Major
  • 0 Moderate
  • 2 Minor
  • Xarelto
  • Vitamin D3

Drug Interactions

No drug interactions were found for selected drugs: Xarelto, Vitamin D3.

This does not necessarily mean no interactions exist. Always consult your healthcare provider.

Drug and Food Interactions

No food interactions were found for selected drugs: Xarelto, Vitamin D3.

This does not necessarily mean no interactions exist. Always consult your healthcare provider.

Drug and Pregnancy Interactions

The following applies to the ingredients: Rivaroxaban (found in Xarelto)

Professional Content

This drug should be used during pregnancy only if the benefit outweighs the risk to the fetus; caution is recommended.
-According to some authorities: Use is contraindicated.

AU TGA pregnancy category: C
US FDA pregnancy category: Not assigned.

Risk summary: Insufficient data available on use of this drug in pregnant women to inform a drug-related risk.

Comments:
-This drug should be used with caution in pregnant patients due to the potential for pregnancy-related hemorrhage and/or emergent delivery; the anticoagulant effect of this drug cannot be reliably monitored with standard laboratory testing.
-The benefits and risks for the mother and possible risks to the fetus should be considered when prescribing this drug during pregnancy.
-Disease-associated maternal and/or embryofetal risk, fetal/neonatal adverse reactions, and risks during labor/delivery should be considered.
-Patients of childbearing potential who require anticoagulation should discuss pregnancy planning with their physician; the risk of clinically significant uterine bleeding (potentially requiring gynecological surgical interventions) seen with oral anticoagulants (including this drug) should be assessed in patients of childbearing potential and those with abnormal uterine bleeding.
---According to some authorities: This drug should be used in patients of childbearing potential only with effective contraception; patients of childbearing potential should avoid becoming pregnant during therapy.

Animal studies have revealed evidence of fetotoxicity. After pregnant rabbits were given oral doses of at least 10 mg/kg (dose corresponds to about 4 times the human exposure of unbound drug, based on AUC comparisons at the recommended human dose of 20 mg/day) during organogenesis, increased fetal toxicity (increased resorptions, decreased number of live fetuses, decreased fetal body weight) was observed. Fetal body weights decreased after pregnant rats were give oral doses of 120 mg/kg (dose corresponds to about 14 times the human exposure of unbound drug) during organogenesis; peripartal maternal bleeding and maternal and fetal death occurred at 40 mg/kg (about 6 times maximum human exposure of unbound drug at the human dose of 20 mg/day). This drug crosses the placenta in animals; in an in vitro placenta perfusion model, unbound drug was rapidly transferred across the human placenta. There are no controlled data in human pregnancy.

Pregnancy is a risk factor for venous thromboembolism; that risk is increased in women with inherited/acquired thrombophilias. Pregnant women with thromboembolic disease have an increased risk of maternal complications (including preeclampsia); maternal thromboembolic disease increases the risk for intrauterine growth restriction, placental abruption, and pregnancy loss (early and late).

Based on the pharmacologic activity of factor Xa inhibitors and the potential to cross the placenta, bleeding may occur at any site in the fetus and/or neonate.

All patients receiving anticoagulants (including pregnant patients) are at risk for bleeding; this risk may be increased during labor or delivery. The bleeding risk should be balanced with the risk of thrombotic events when considering the use of this drug in this setting.

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 Not Assigned: The US FDA has amended the pregnancy labeling rule for prescription drug products to require labeling that includes a summary of risk, a discussion of the data supporting that summary, and relevant information to help health care providers make prescribing decisions and counsel women about the use of drugs during pregnancy. Pregnancy categories A, B, C, D, and X are being phased out.

References

  1. "Product Information. Xarelto (rivaroxaban)." Janssen Pharmaceuticals SUPPL-39 (2022):
  2. "Product Information. Xarelto (rivaroxaban)." Bayer Australia Ltd XARELTO PI XV2.0; CC (2020):
  3. "Product Information. Xarelto (rivaroxaban)." Bayer Plc (2022):

The following applies to the ingredients: Cholecalciferol (found in Vitamin D3)

Professional Content

Use is not recommended unless there is a deficiency.

AU TGA pregnancy category: Exempt
US FDA pregnancy category: Not assigned

Comments:
-Vitamin D supplementation should begin a few months prior to pregnancy.

Animal studies at high doses have shown teratogenicity. There are no controlled data in human pregnancy. Because vitamin D raises calcium levels, it is suspect in the pathogenesis of supravalvular aortic stenosis syndrome, which is often associated with idiopathic hypercalcemia of infancy, but excessive vitamin D intake or retention has not been found consistently in these mothers. A study of 15 patients with maternal hypoparathyroidism, treated with high dose vitamin D during pregnancy (average 107,000 international units per day) to maintain normal calcium levels, produced all normal children. Vitamin D deficiency is associated with reduced fetal growth, neonatal hypocalcemia (with and without convulsions), rickets, and defective tooth enamel.

AU TGA pregnancy category Exempt: Medicines exempted from pregnancy classification are not absolutely safe for use in pregnancy in all circumstances. Some exempted medicines, for example the complementary medicine, St John's Wort, may interact with other medicines and induce unexpected adverse effects in the mother and/or fetus.

US FDA pregnancy category Not Assigned: The US FDA has amended the pregnancy labeling rule for prescription drug products to require labeling that includes a summary of risk, a discussion of the data supporting that summary, and relevant information to help health care providers make prescribing decision and counsel women about the use of drugs during pregnancy. Pregnancy categories A, B, C, D and X are being phased out.

References

  1. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
  2. Cerner Multum, Inc. "Australian Product Information." O 0
  3. TGA. Therapeutic Goods Administration. Australian Drug Evaluation Committee "Prescribing medicines in pregnancy: an Australian categorisation of risk of drug use in pregnancy. http://www.tga.gov.au/docs/html/medpreg.htm" (2010):
  4. Briggs GG, Freeman RK. "Drugs in Pregnancy and Lactation." Philadelphia, PA: Wolters Kluwer Health (2015):

Drug and Breastfeeding Interactions

The following applies to the ingredients: Rivaroxaban (found in Xarelto)

Professional Content

If this drug is required by the mother, it is not a reason to discontinue nursing; because data are limited, preterm or newborn infants should be monitored for signs of bleeding.
-According to some authorities: Use is contraindicated; a decision should be made to discontinue breastfeeding or discontinue the drug.

Excreted into human milk: Yes

Comments:
-Developmental and health benefits of breastfeeding should be considered as well as the mother's clinical need for this drug.
-The effects in the nursing infant are unknown; potential side effects in the breastfed child due to this drug or the mother's underlying condition should be considered.

Several case reports consistently showed that maternal doses of 15 to 30 mg/day produced low levels in milk that were considerably below doses required for anticoagulation in infants.

A 40-year-old woman developed bilateral pulmonary embolism and peripartum cardiomyopathy after cesarean section; after initially receiving enoxaparin, she was switched to this drug (15 mg orally twice a day) after 2 days. On the third day of this drug, complete milk collections from both breasts were obtained before and at 3, 6, and 10 hours after the morning dose; blood samples were collected at the same times. According to author calculation, a fully breastfed infant would receive 2.4 mcg/kg over the 10-hour period, which would be 1.3% of the maternal weight-adjusted dosage.

A 38-year-old woman with antiphospholipid syndrome began 15 mg/day (0.19 mg/kg/day) at 5 days postpartum for prophylaxis of deep vein thrombosis; she partially breastfed her infant (at least 50%). On 2 separate days, 7 samples of milk were collected over a 24-hour period; values were similar at the same times on each day. A mean peak value of 53.9 mcg/L occurred at 6 hours after dosing and the milk level averaged 22.7 mcg/L; the half-life in milk was 4.7 hours. A fully breastfed infant would receive 3.4 mcg/kg/day (estimated), which corresponded to 1.8% of the maternal weight-adjusted dosage. No apparent evidence of bleeding was noted in the infant at 1- and 3-month checkups and development was normal at 18 months of age.

This drug was prescribed to 2 postpartum women, 1 for stroke and the other for pulmonary embolism; each began therapy with 15 mg twice a day for 21 days, then 20 mg once a day. Both patients provided several steady-state milk samples over the dosage interval during each regimen. After the 15 mg dose, a mean peak value of 300 mcg/L occurred 1 hour after dosing and the milk level averaged 160 mcg/L; a fully breastfed infant would receive 10 mcg/kg every 12 hours (estimated), which corresponded to 5% of the maternal weight-adjusted dosage. After the 20 mg dose, a mean peak value of 260 mcg/L occurred 2 hours after dosing and the milk level averaged 70 mcg/L; a fully breastfed infant would receive 10 mcg/kg/day (estimated), which corresponded to 4% of the maternal weight-adjusted dosage.

At 8 months postpartum, 2 nursing mothers received a single 20 mg oral dose; blood and milk samples were collected before the dose and at 2.5, 6, 10, 12, and 24 hours after the dose. The peak drug milk level of about 90 mcg/L occurred at 2.5 hours after the dose. The milk level over 24 hours averaged 28.9 mcg/L, which corresponded to an infant dosage of 4.3 mcg/kg/day and a relative infant dose of 1.63% of the maternal weight-adjusted dosage. The daily dosage of this drug in milk was about 0.7% of the estimated infant daily dosage required for anticoagulation.

References

  1. "Product Information. Xarelto (rivaroxaban)." Janssen Pharmaceuticals SUPPL-39 (2022):
  2. National Library of Medicine (US), National Center for Biotechnology Information "Rivaroxaban - Drugs and Lactation Database (LactMed) https://www.ncbi.nlm.nih.gov/books/NBK500742/"
  3. "Product Information. Xarelto (rivaroxaban)." Bayer Australia Ltd XARELTO PI XV2.0; CC (2020):
  4. "Product Information. Xarelto (rivaroxaban)." Bayer Plc (2022):

The following applies to the ingredients: Cholecalciferol (found in Vitamin D3)

Professional Content

Use is not recommended unless the clinical condition of the woman requires treatment.

Excreted into human milk: Yes

Comments:
-Make allowance for any maternal dose if prescribing this product to a breast fed infant.
-Consider monitoring the infant's serum calcium if the mother is receiving pharmacologic doses of vitamin D.
-Vitamin D supplementation is recommended in exclusively breast fed infants.

The required dose of vitamin D during lactation has not been adequately studied; doses similar to those for pregnant women have been suggested.

Chronic ingestion of large doses of vitamin D by the mother may lead to hypercalcemia in the breastfed infant.

References

  1. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
  2. Cerner Multum, Inc. "Australian Product Information." O 0
  3. Briggs GG, Freeman RK. "Drugs in Pregnancy and Lactation." Philadelphia, PA: Wolters Kluwer Health (2015):
  4. IOM (Institute of Medicine). "Dietary Reference Intakes for Calcium and Vitamin D." Washington, DC: The National Academies Press (2011):

Therapeutic Duplication Warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

Switch to: Professional Interactions

Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.

Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

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