What happens if you take antihistamines while pregnant?

Scientific research suggests that using most types of antihistamines during pregnancy is not linked to birth defects. Out of 54 studies examined, 9 studies showed potential links between certain antihistamines and certain birth defects.

Is it safe to take antihistamines while pregnant?

Newer antihistamines, such as cetirizine and loratadine, also may be safe. There also is a corticosteroid nasal spray that is safe to use during pregnancy. But one of the most common decongestants, pseudoephedrine, has been linked to a small risk of abdominal wall birth defects.

Can antihistamines cause a miscarriage?

Due to the role of histamine and its receptors in these processes, it is reasonable to conclude that antihistamine use may be associated with pregnancy outcomes such as spontaneous abortion (SAB) and preterm birth (PTB). Currently, there are no safety guidelines for the use of antihistamines during pregnancy.

What allergy medications are safe during pregnancy?

Safe OTC Allergy Meds to Take During Pregnancy

  • Allegra (fexofenadine)
  • Benadryl (diphenhydramine)
  • Claritin (loratadine)
  • Zyrtec (cetirizine)

Do antihistamines cause birth defects?

Researchers found the evidence to be generally reassuring: most antihistamines do not appear to be linked to birth defects. However, researchers need to study certain antihistamine medications further to determine if they increase the risk for birth defects.

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What is the safest antihistamine during pregnancy?

To conclude first generation antihistamines such as chlorpheniramine, hydroxyzine, and dexchlorpheniramine are the safest among antihistamines to be used in pregnancy.

Does pregnancy increase histamine?

Maternal levels of histamine in normal pregnancy decrease below values found in healthy non-pregnant women. However, in some complications of pregnancy, maternal blood histamine levels rise above those associated with normal pregnancy and may exceed normal non-pregnant circulating levels.

Does antihistamine affect implantation?

Antihistamines and Allergy Medicines

No one really knows how histamines are important for conception, but the concern is that antihistamines may interfere with embryo implantation. That said, there’s currently no evidence that antihistamines reduce fertility.

Does Grandpa affect pregnancy?

Grandpa is not safe to use in pregancy due to caffeine and aspirin ingredients. Rather see your doctor to manage the cause of the headache.

Can I drink Zyrtec while pregnant?

Many allergy medications really aren’t safe to take during pregnancy. But loratadine (found in Claritin®) and cetirizine (found in Zyrtec® and Alleroff®) are two over-the-counter (OTC) antihistamine medications that doctors consider as being safe to use during pregnancy and while breastfeeding, Dr. Zanotti says.

Why are my allergies so bad during pregnancy?

Inflammation can lead to pregnancy rhinitis, or nasal congestion and a runny nose during pregnancy. Although the cause of pregnancy rhinitis is related to hormone production and not allergens, this condition may make pre-existing seasonal allergy symptoms worse.

Can you take antihistamines when pregnant NHS?

Chlorphenamine and pregnancy

Chlorphenamine can be used in pregnancy. There is no good evidence that it is harmful to your baby, but it can have side effects such as feeling drowsy. Your doctor or pharmacist may recommend a non-drowsy antihistamine (loratadine) before chlorphenamine.

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Is it OK to take Unisom every night while pregnant?

The antihistamines diphenhydramine and doxylamine are safe at recommended doses during pregnancy, even for extended periods. (These are the ingredients found in Benadryl, Diclegis, Sominex, and Unisom, for example.) Be aware that taking more than the recommended dose of any sleep medication can be harmful.