Medicines That Pregnant Women Can’t Take: Be Attentive!

In general, the list of medications that pregnant women can’t take is extensive, and should be avoided unless they are absolutely necessary. To stay aware.

Is pregnant or thinking of becoming pregnant? It is essential to talk with your health care professionals about the medicines that pregnant women can’t take.

You should still inquire about all other medicines you are taking, be they prescription drugs or not, dietary supplements, herbal remedies, dietary supplements or vitamins.

Many women need to take medicines during the pregnancy to monitor your health condition. In some cases, prevent or stop a medicine during pregnancy can be more harmful that taking this medicine.

On the other hand, we know that taking certain medications during pregnancy can increase the risk of congenital defects, pregnancy loss, preterm birth, infant death or developmental disabilities.

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FOR THAT THERE ARE MEDICINES THAT PREGNANT WOMEN CAN’T TAKE?

Approximately 2 to 3% of all congenital disabilities are the result of medications taken to treat a disease or symptom.

Medicines taken by the pregnant woman reach the fetus primarily through the placenta, the same route taken by oxygen and nutrients needed for the growth and development of the fetus. The medicines that the pregnant woman takes during pregnancy can affect the fetus in several ways:

  • Can act directly on the fetus, causing injury, abnormal development (leading to congenital disabilities) or death;
  • Can affect the function of the placenta, usually by vasoconstriction of the blood vessels of the placenta, thus reducing the supply of oxygen and nutrients to the fetus. The result may be a baby with low weight and underdeveloped;
  • Can cause contraction of the muscles of the uterus, keep getting hurt indirectly the fetus to reduce the contribution of blood, or even causing a labor premature.

In any case, the way a drug affects a fetus depends on the stage of development of the fetus, of the power and dosage of the medicine.

Can also affect the fetus indirectly. For example, medicines that reduce the blood pressure of the mother may reduce the blood flow to the placenta.

In any case, you need to be careful and be very selective to consult online sources about safety of medications during pregnancy. The ideal is, to use yes, this information to start a conversation with a health care professional.

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WHAT ARE THE MEDICINES THAT PREGNANT WOMEN CAN’T TAKE?

Some drugs are highly toxic and should never be taken by pregnant women because they cause congenital disabilities serious. A classic example and is widely known is thalidomide.

The malformation of limbs in thousands of babies born to has been recognized as a serious side effect of Thalidomide in the years 1950/1960, when it was widely prescribed to pregnant women to alleviate morning sickness. Thousands of women cast their young in the late 50 and early 60, an effect also assigned to the thalidomide.

Some drugs can have effects after they are stopped. For example, isotretinoin, a drug used to treat skin disorders, is stored in the fat under the skin and is released slowly.

Isotretinoin can cause congenital disabilities and if the woman get pregnant within two weeks after stopping the medicine. For this reason, women are advised to wait at least 3 to 4 weeks after the discontinuation of the drug before becoming pregnant.

Note that the studies of teratogenicity (capability of producing congenital malformations in the fetus) are very limited.

Therefore, if we turn to the evidence available, the list of drugs proven teratogenic in humans is relatively small:

  • Agents androgenic;
  • Anticonvulsants in general;
  • Anti-inflammatory non-steroids;
  • Antimetabólitos and alkylating agents;
  • Antitiroideus (propiltiouracilo and metibazol);
  • Blockers of receptors of angiotensin II;
  • Oral hypoglycemics;
  • Inhibitors of the angiotensin conversion enzyme;
  • Lithium;
  • Misoprostol;
  • Opioids, benzodiazepines;
  • Thalidomide;
  • Tetracyclines;
  • Warfarin.

It is therefore of extreme importance not be limited to any list and do not take any medicine without consulting a health care professional qualified to clarify about the safety of this for the mother and for the fetus.

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