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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Can Benadryl Be Taken For Panic Attack While On Macrobid For UTI?

I was put on Macrobid 100mg 2x daily for a UTI they found in the ER when I came in for intense flank pain. The first dose was given to me in the ER because I am allergic to other antibiotics. I had no problems with first dose but I was also on tramadol, bentyl, and zofran. This morning I took the macrobid after a large breakfast with a full glass of water. 5 minutes later I felt an intense adrenaline rush and had to get up and walk around. My throats felt a little full and sore. 40 minutes later my vision got blurry and I felt like I was having the worse panic attack of my life, I was trembling. I felt short of breath. I took a Benadryl just in case. I don t have any symptoms anymore. I m wondering if I was having an adverse or allergic reaction, but I don t know why I didn t have one with my first dose. I am also on doxycycline for Lyme but hadn t taken it yet. It was a very scary feeling but I also don t want a kidney infection, and I need something I can take along with my doxy. My heart palpitations I sometimes get are a little aggravated now.
Mon, 6 Nov 2017
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General & Family Physician,  's  Response
HI, thanks for using healthcare magic

It is understandable , since you are allergic to other antibiotics, to be concerned that you may also be allergic to the macrobid.

Swelling of the throat, change in vision and shortness of breath would normally occur with a severe allergic reaction that would require a lot of medication. These types of reactions do not usually respond to antihistamines only.

This means that it is not likely an allergic reaction.

It is possible to have allergy tests done for medication. You may want to consider asking your doctor to be assessed for different meds so that you can be certain.

I hope this helps
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Can Benadryl Be Taken For Panic Attack While On Macrobid For UTI?

HI, thanks for using healthcare magic It is understandable , since you are allergic to other antibiotics, to be concerned that you may also be allergic to the macrobid. Swelling of the throat, change in vision and shortness of breath would normally occur with a severe allergic reaction that would require a lot of medication. These types of reactions do not usually respond to antihistamines only. This means that it is not likely an allergic reaction. It is possible to have allergy tests done for medication. You may want to consider asking your doctor to be assessed for different meds so that you can be certain. I hope this helps