During pregnancy should not take any, even the most non-toxic and harmless drug without a prescription.This rule is every woman should know.Claritin - a non-toxic drug, however, it also can not take during pregnancy independently.
Why pregnancy can not take medication by yourself
During pregnancy a woman's body under the influence of hormone changes the metabolism improves metabolism and losing weight without dieting .This leads to a variety of changes in all organs and tissues of the woman.Above all, major changes occur in the circulatory system: developing a number of additional small blood vessels (capillaries) whose job better and faster to deliver nutrients and oxygen to the tissues of the mother and fetus.But it is fraught with stagnation of blood in the capillaries, which is what happens when the second half of pregnancy toxemia.There is also an increased synthesis of steroid hormones in the placenta, with detoxification (neutralization and removal of toxic substances from the
These physiological and biochemical changes in a woman's body leads to what can change the sensitivity of pregnant women to drugs, causing allergic reactions appear to drugs that previously it was well tolerated.
differently to certain medications and the fetus responds.The most sensitive to various factors (including drugs), the fetus is in the first 12-16 weeks of pregnancy, the placenta is not formed.After 16 weeks, the placenta will reliably protect the fetus, but there are drugs that pass through the placenta and can affect the fetus.Not all drugs are toxic, some of which are approved for use during pregnancy.But there are drugs that in the process of decomposition in the body become toxic properties - they are not allowed to use during pregnancy.Do not use as drugs that have teratogenic (causing fetal abnormalities) or embryotoxic (have toxic effects on the fetus) properties.
Different drugs have different effects on the child.This impact is sometimes difficult to predict even a doctor.
How Claritin acts on a pregnant woman
Claritin belongs to the group of antihistamines.Many of the drugs in this group (diphenhydramine, suprastin, tavegil and so on) are allowed to take during pregnancy by a doctor because they do not have teratogenic and toxic effects on the fetus.
Claritin and has no negative impact on the pregnant woman and the fetus.However, such reactions are often individual and depend on many reasons to consider that in laboratory tests of the drug is not always possible.That is why, in order to recommend the drug during pregnancy requires clinical trials in pregnant women, which is very difficult.
Action Claritin based on the fact that it blocks H 1 receptors of histamine, histamine resulting not released into the blood and do not develop allergic reactions.And as teratogenic and embryotoxic effects in Claritin has been identified, but its complete safety during pregnancy has not been established, the decision to appoint him to a pregnant woman receives physician.There is the wording: "Pregnancy is only possible if the intended benefits to the body of the mother outweighs the potential risk to the fetus."That is Claritin appointed a pregnant woman only if absolutely necessary.
In some cases, pregnant women are prescribed Claritin
During pregnancy, the emergence of allergies and allergic diseases aggravation is possible, therefore, allergy medications are sometimes prescribed to pregnant women.This is especially significant, for example, hay fever when, during the flowering herb appears pronounced nasal congestion, conjunctivitis, swelling and itching in the area of enforcement.Claritin is convenient because it is assigned only once per day, and all the while suppressing manifestations of allergic reactions.
Sometimes an allergic reaction Allergic reactions: how to understand why you tickle in the throat occurs in a pregnant woman to an insect sting, food or drug - Claritin Claritin - histamine receptor blocker help in thiscase.
During pregnancy, changing job all the woman's body, so completely calculate the expected harm of a particular medication is not always possible.