Allergies/antihistamines while TTC or PG

iVillage Member
Registered: 02-11-2009
Allergies/antihistamines while TTC or PG
6
Thu, 09-17-2009 - 12:27am

Hi everyone! I've got a question for any BTDT moms or anyone with allergies and/or an opinion...

I've got this annoying allergy that causes itchy hives that drive me nuts. The dermatologist who diagnosed me told me to take Zyrtec once a day, but that once I knew I was pregnant I should switch to Benadryl (and try to avoid taking antihistamines altogether if possible). When I looked it up online though, it seemed like Benadryl and Zyrtec were in the same "danger" category (B) for pregnant women and some info even seemed to suggest that Benadryl was less safe. I'm working hard to manage the allergies without medication as much as possible, but know I'm not going to be able to make it forever without some use of antihistamines.

Anyone suffer from allergies while pregnant or have any thoughts on this? I'm planning on asking my midwife once I'm actually pregnant but am just curious what others have been told or know about this.

Thanks!



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iVillage Member
Registered: 12-17-2007
Thu, 09-17-2009 - 10:23am

"The dermatologist who diagnosed me told me to take Zyrtec once a day, but that once I knew I was pregnant I should switch to Benadryl"

Did I read that right? Zyrtec is generally a maintenance medicine while benadryl is fast-acting. I'm surprised by a doctor lumping them together like that. And, besides that, Benadryl (diphenhydramine) generally makes people very tired. It's, in fact, the sleep aid in tylenol pm and some types of unisom.

That said, they are both category B, and you shouldn't have any concerns about taking either of them while TTC or pregnant. I personally might try to avoid benadryl around Oing since it's drying and could mess with CM. But, it probably makes very little difference.

I took Zyrtec daily throughout my pregnancy. It's in fact what my allergist switched me to when I got pregnant. (I'd been on allegra which had had less testing in pregnant women.) My OB fully approved.

I also took Benadryl pretty much nightly through my third trimester for insomnia with my OB's approval. And in my EC a ton of women were doing the same. (Though, a lot of them actually took tylenol PM (benadryl+tylenol) which I always found a bit weird because while tylenol's safe during pregnancy, I wouldn't take it unless I needed it.)

So, obviously check with your midwife about it. But if Zyrtec is working for you, I would just plan on continuing taking it through your pregnancy.

~Lorien








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iVillage Member
Registered: 09-27-2007
Thu, 09-17-2009 - 3:14pm
I am 36 weeks pregnant. I have been taking Zyrtec throughout my entire pregnancy. I also got a horrible itchy rash about 4 weeks ago and was told to take Benadryl tablets every 4 hours for 24 hours along with a cream called Cortaid and a few days later my rash completely went away. I continued to take
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iVillage Member
Registered: 02-11-2009
Thu, 09-17-2009 - 5:45pm

Thanks Lorien and Amanda! That was really helpful to hear. I know so many people suffer from allergies, there had to be a different answer! :)

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iVillage Member
Registered: 10-03-2008
Thu, 09-17-2009 - 8:08pm

First - the pharmacist told me that the category B refers to the level of safety that they are able to determine, but most medications are not tested on pregnant women, so few, if any will have better than a B rating.


My OB gave me a list of OTC's to use as needed & Zyurtec wasn't on it, but I have no idea why. For allergy/ congestion they reccommend; Sudafed, Claritin, Tylenol cold & sinus, Benadryl or Chlor-Trimeton.


If it were me I'd go ahead & call the midwife & ask. It may be there's some reason that some Docs tell you not to use Zyrtec. GL!

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iVillage Member
Registered: 12-17-2007
Thu, 09-17-2009 - 9:17pm
Zyrtec only became OTC recently. I would expect that those lists don't get updated very frequently. There are also plenty of medications that are safe but less common, so don't get listed.
~Lorien








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~Lorien





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iVillage Member
Registered: 07-14-2008
Thu, 09-24-2009 - 7:33pm

I'm now on Diclectin for morning sickness (the only med approved for morning sickness in Canada).

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