ANSWER First-generation antihistamines are considered safe to use during pregnancy. There are relatively fewer data on the nonsedating second-generation antihistamines; however, published studies are reassuring.
Can you take antihistamine while pregnant?
There are several different types of antihistamines available including loratadine and cetirizine. Neither of these antihistamines cause drowsiness, and they are both considered safe to take in pregnancy when necessary.
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.
Do antihistamines affect fertility?
They found antihistamines could have negative long-term side effects for male fertility. They concluded antihistamines are likely to affect the production of male sexual hormones in the testicles. This can result in a reduced sperm count and lower quality sperm.
Which antihistamine is best in pregnancy?
Loratadine is usually recommended if you need to take an antihistamine in pregnancy.
What can I take for allergies while pregnant first trimester?
Many allergy drugs may be fine to keep taking during pregnancy, but have the discussion so you can have peace of mind. Oral antihistamines, like cetirizine (Zyrtec), chlorpheniramine (Chlor-Trimeton), diphenhydramine (Benadryl), fexofenadine (Allegra), and loratadine (Claritin) seem to be safe.
Do antihistamines interfere with implantation?
Interference with implantation: Some people worry that allergy medications, specifically antihistamines, may interfere with embryo implantation. However, there is currently no evidence that antihistamines have an effect on implantation.
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.
Why do antihistamines affect pregnancy test?
Blood or protein in the urine may cause false-positive pregnancy results. Urine hCG tests may give a false-negative result if the urine is too diluted or if testing is done too soon in the pregnancy. Certain drugs such as diuretics and promethazine (an antihistamine) may cause false-negative urine results.
Do antihistamines affect hormones?
The review concludes that anti-histamines are likely to affect the production of male sexual hormones in the testicles, which can lead to altered morphology and decreased motility of sperm, as well as a lower sperm count.
Do antihistamines affect ovulation?
Some medications such as aspirin, antihistamines, and non-steroidal anti-inflammatory drugs can block ovulation. It is advised that you avoid these medications as you approach ovulation during your cycle.
What medications to avoid while trying to conceive?
Some that you should definitely avoid because they can harm the fetus include isotretinoin, better known as Accutane (for acne), Coumadin (an anticoagulant used to prevent blood clotting), tetracycline (for acne or infections), valproic acid (for epilepsy), ACE inhibitors (for hypertension), injectable or preventative …
Is it OK to take antihistamines every day?
Depending on your symptoms, you can take antihistamines: Every day, to help keep daily symptoms under control. Only when you have symptoms. Before being exposed to things that often cause your allergy symptoms, such as a pet or certain plants.
Can too much antihistamine be bad?
Can you overdose on antihistamines? Share on Pinterest A person who overdoses on antihistamines may experience fever, dilated pupils, and a fast heart rate. People can overdose on any type of antihistamine. Antihistamines are a drug, and there is a safe limit to how much a person can take at one time.
Are antihistamines bad for you?
Antihistamines are generally safe medicines. But if you take very high doses, you’ll be more likely to get side-effects. If you take too much of a sedating antihistamine, such as chlorphenamine, you may feel unusually sleepy or have a very dry mouth. Extremely high doses can cause fits (seizures).