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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Suggest Cause For Hives

What could be causing hives?I starting getting hives yesterday and took a Benadryl at night, hives returned this afternoon.Nothing that I have eaten has changed.I'm not allergic to anything that I know of I started using Colgate whitening Pen 3 days ago these are the ingredients Dimethicone , Paraffinum Liquidum , PVP , Trimethylsiloxysilicate/Dimethiconol Crosspolymer , Hydrogen Peroxide,Polyethylene,Flavor,Sodium Saccharin
posted on Mon, 4 Aug 2014
Twitter Mon, 4 Aug 2014 Answered on
Twitter Tue, 5 Aug 2014 Last reviewed on
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Emergency Medicine Specialist,  's  Response
Hi,
Thanks for writing your query.

After reading your post, it seems that your symptoms are due to allergic reaction. It can be due to any component of even a toothpaste(which you have recently started).

I would suggest that you should stop the toothpaste and consult your dentist for substitute.

You can take an antihistamine like Fexofenadine 180 mg once a day.
A clinical evaluation by your doctor will help in planning further medical management.

I hope this is helpful to you.
Thanks.
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Suggest Cause For Hives

Hi, Thanks for writing your query. After reading your post, it seems that your symptoms are due to allergic reaction. It can be due to any component of even a toothpaste(which you have recently started). I would suggest that you should stop the toothpaste and consult your dentist for substitute. You can take an antihistamine like Fexofenadine 180 mg once a day. A clinical evaluation by your doctor will help in planning further medical management. I hope this is helpful to you. Thanks.