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Pregnancy and Medicines
Reviewed by Medicinsk Expert•Last updated: 2026-10-22•Pregnancy Reproduction

Pregnancy and Medicines

Consulting your health care provider before taking any medication is critical, as some drugs can harm a developing fetus while others are necessary for managing maternal health.

Is it safe to take medicine during pregnancy?

Some medicines are safe to take during pregnancy, but many are not. If you're pregnant, check with your health care provider before taking any medicine. Some medicines can harm your developing fetus. This includes:

  • Prescription drugs
  • Over-the-counter medicines
  • Herbs and supplements

Should I stop taking my medicine during pregnancy?

Always talk to your provider before you stop or start any medicine. You may take medicine to treat a health problem you had before pregnancy. Not using the medicine that you need may be more harmful to you and your fetus than using the medicine. For example, many pregnant women take prescription medicines for health problems like diabetes, asthma, seizures, and heartburn. The decision about whether to take a certain medicine should depend on the risks and benefits that go with it. You and your provider should make this choice together.

Can I take vitamins during pregnancy?

If you're pregnant, you shouldn't take regular vitamins. They may have too much or too little of the vitamins you need. For example, everyone needs folic acid, a type of B vitamin. But if you're trying to get pregnant, it's really important. Getting enough folic acid before and during pregnancy can prevent birth defects of the brain or spine. During your prenatal care visits, your provider will talk about prenatal vitamins. These are a special kind of vitamin to take during pregnancy.

Frequently Asked Questions

Prenatal vitamins are specially formulated to meet the increased nutritional demands of pregnancy. They differ from regular multivitamins primarily in their higher levels of certain nutrients crucial for fetal development. Key components include folic acid (to prevent neural tube defects), iron (to prevent anemia), and calcium (for bone development). Regular vitamins may contain too much or too little of these essential nutrients, making prenatal vitamins the preferred choice.
The safest approach is to always consult your healthcare provider or pharmacist before taking any OTC medication, herbal remedy, or supplement while pregnant. Many products, even those considered natural, can have effects on a developing fetus. Your provider can assess the specific ingredients and advise you on the safest options, if any, for your condition.
Stopping necessary prescription medications for chronic conditions without consulting your doctor can be more harmful to both you and your fetus than continuing the medication. For example, uncontrolled diabetes can lead to serious birth defects or preterm birth, and unmanaged asthma can reduce oxygen supply to your baby. Your provider will help you weigh the risks and benefits of continuing or adjusting your medication to ensure the best outcome for your pregnancy.
Source: MedlinePlus, National Library of Medicine

MedlinePlus brings together authoritative health information from the National Library of Medicine (NLM), the National Institutes of Health (NIH), and other government agencies and health-related organizations.

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