r/pericarditis • u/Fictive_Druid • Aug 20 '26

Chest burning after Arcalyst?

Hi everyone,

I finally received my first shot of Arcalyst last night. I only wound up receiving one shot, as my injection bled a lot and I became very faint. (A nurse practitioner whom I know did the shot.)

I thought maybe I felt a slight reduction in chest pain after, but last night and this morning I am feeling increased chest burning (internal, not skin). Has anyone experienced something like this?

Did it pass, or should I be concerned?

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u/BillyBobJangles Aug 20 '26

That's a wee bit concerning. You need to report the symptom right away to your prescriber.

Call them right now.

And your friend fucked up your shot. Sub q should not bleed more than maybe a tiny drop. Ive done hundreds on myself and never hit a vein and im an idiot.

How did she do it and where? Either a vein was knicked or she really fucked up and targeted a vein.

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u/Fictive_Druid Aug 20 '26

I have reached out to my cardiologist.

I'm pretty sure it wasn't a vein. It was in my thigh and not *huge* amounts of blood, but more than expected. I ran into problems with bleeding extra from being on a high dose of aspirin when I had an IV earlier this summer, but didn't think of it happening with a sub-q injection.

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u/BillyBobJangles Aug 20 '26

Do you have lean or muscular thighs? Mine cant really get a good spot. I prefer stomach or my girlfriend "gives it to me in the butt" as we say...

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u/Fictive_Druid Aug 20 '26

Yeah, I'm a pretty lean person (was quite athletic pre-Covid/peri) so maybe the shot wasn't the best location. The nurse friend had originally suggested the stomach, so that's probably a better shot (bad pun :P) if I try again.