Why so many contraindications in pregnancy?

By looking at the records of drugs, we see quickly that they are likely to be discouraged if not contraindicated in pregnant women. Why? What are the harmful drugs known or unknown? Doctissimo provides a horizon…

In theory, all drugs are contraindicated during pregnancy. This precaution is especially in the ethical impossibility to pregnant women a topic of study.


The precautionary principle prevails

Indeed, it is not conceivable to study the risk of malformations on the embryo of a drug under real conditions. Data therefore remains unclear, often based on an extrapolation of the effects seen in animals. In short, the safety of a drug on the fetus is never sure 100%. In General, it is therefore better to refrain. Doctors still have back today. They know what the safest products. Some drugs are used for a long time and others could be taken by inadvertence or ignorance by women pregnant without adverse consequences.

Balance between chronic disease and birth pangs

In some cases, patients with chronic disease cannot interrupt their treatment but want still bear children. This can be problematic if their illness requires the use of drugs known for their adverse effects on the child in utero. Disorders diabetes, hypertension, epilepsy, psychiatric, cases are not… Only support careful by the doctor will allow to specify the course: maintenance of the treatment, change in medication for another less toxic, etc.

Very many involved drugs

It is impossible the exhaustive list of medicines at risk during pregnancy. On the one hand, certain drugs will be harmful at a time but not to another, on the other hand, there is an individual variability difficult to estimate concerning the occurrence of adverse effects for the baby.
All classes of drugs are concerned: painkillers, Nasal Decongestants, anti-infective (antibiotics, antifungal, etc.), drugs for hormonal disorders, neurological or psychiatric disorders, antimigraine medicines, laxatives, etc.
These classes contain potentially dangerous products to the mother or the child.

A risk unknown to nonsteroidal anti-inflammatory drugs or NSAIDs

(see a list in our drug guide).These drugs
Commonly used for headaches or joint pain should be considered contraindicated in pregnancy. Except in some very specific cases decided by your physician, aspirin for example should be outlawed, including in the last quarter. However, paracetamol is used in accordance with the precautions and dosage.