Prenatal Vitamin Drug Interactions

Prenatal Vitamin Drug Interactions Explained

The following sections explain in detail the potentially negative interactions that can occur when prenatal vitamins are combined with any of the drugs listed above.
 
Aspirin (Bayer and Others)
Many of the new prenatal vitamins contain omega-3 fatty acids (such as DHA). In theory, omega-3 fatty acids may increase the risk of bleeding when combined with aspirin. However, most pregnant women should avoid aspirin. One low-dose aspirin (81 mg) a day, which is sometimes recommended for certain conditions related to pregnancy, should probably not cause any problems.
 
Bisphosphonate Medications
The minerals found in prenatal vitamins can decrease the absorption of a bisphosphonate into the body, possibly making it less effective. However, bisphosphonates are usually not recommended for pregnant women, so this is usually not a problem. If your healthcare provider recommends that you take both prenatal vitamins and a bisphosphonate, be sure to take the prenatal vitamins at least two hours after your bisphosphonate dose.
 
Fluoroquinolone (Quinolone) Antibiotics
Some of the minerals in prenatal vitamins may prevent fluoroquinolone antibiotics from being absorbed into the body. If your healthcare provider recommends that you take both prenatal vitamins and a fluoroquinolone antibiotic, be sure to take the antibiotic at least two hours before, or six hours after, taking your prenatal vitamin dose.
 
Tetracycline Antibiotics
Some of the minerals in prenatal vitamins may prevent tetracycline antibiotics from being absorbed into the body. If your healthcare provider recommends that you take both prenatal vitamins and a tetracycline antibiotic, be sure to take the antibiotic at least two hours before, or six hours after, taking your prenatal vitamin dose. Keep in mind that tetracycline antibiotics are usually not recommended for pregnant women.
Pregnancy and Pain

Information on Prenatal Vitamins

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