IV Benadryl Severe (odd) Side Effects

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Who here has encountered odd side effects from Benadryl IV? I am a Nurse and had been pushed with Benadryl IV (50mg). Not long after, I started to feel like an impending doom, my throat/mouth felt super dry and my tongue felt like it was pulled backward. Then I started to go into tachychardia like 170 to 180 bpm. The scariest part was I felt like I can't breathe. This lasted in waves for about 10 to maybe 15 mins. Scariest part of my life. 

I also found out that Promethazine has the same effect with me when I had CS laat year.

Apparently, I can take it orally but not intravenously. Made me wonder, What can I take during an anaphylactic shock? (Feels like Epi will have the same effect like diphenhydramine).

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Specializes in Education, FP, LNC, Forensics, ED, OB.

Hello @lou_din,

Quote

... What can I take during an anaphylactic shock?

This will be something you need to ask your healthcare provider. He or she will be able to advise you.

We cannot provide the medical advice you seek, per Terms of Service.

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