Discussions tagged “mRNA”

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Just received my Pfizer Bivalent 12+ (gray) booster, here are my thoughts and some info!

I just got my Pfizer Bivalent 12+ (gray) booster shot and I wanted to share my experience and some information about it. This vaccine is designed to help your body learn to fight off the COVID-19 virus by using mRNA technology. It's a small piece of genetic material that teaches your cells to make a harmless part of the virus, allowing your immune system to build protection against it. I've heard about some potential side effects, like pain at the injection site, headache, and muscle pain, but I'm hoping for the best! I'll be sure to report any side effects to the VAERS system if needed. Anybody else get this booster, and if so what were your experiences?

Covid19
Vaccine
Pfizer
steven_lewis · 4/18/2026
8 155
1 min read
last active 4/18/2026
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50

Has anyone had experience with Strensiq 80mg/0.8ml Inj for hypophosphatasia (HPP)? What are the real side effects vs. what the packaging says?

I was diagnosed with hypophosphatasia a few months ago. Strensiq has been recommended by my specialist and I’m trying to understand more about it. I’ve read the packaging insert, but it’s tough to know how serious the side effects are. Has anyone else been on Strensiq? What were your experiences, especially with the injection site reactions and other possible side effects? My biggest concern is the risk of severe allergic reactions, which the packaging says is rare but still scary. Any insights or advice?

Hypophosphatasia
mRNA
Strensiq
nathan_dunn · 4/18/2026
5 242
1 min read
last active 4/18/2026
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15

Just got my Pfizer 3-4 (covid 2024-25) 0.3ml shot - how did my immune system fare against mRNA about COVID 19?

Hey everyone, I just got my Pfizer 3-4 (covid 2024-25) 0.3ml shot today. I'm curious to hear from others who have gotten it. Did you experience any side effects? I've heard mixed things about the new mRNA vaccine. Some people say it's a game-changer, while others are concerned about potential side effects. I felt a bit dizzy after the shot but am otherwise feeling fine. The nurse said it's normal and there's no need to worry but I've been getting paranoid. Did anybody else have any ill side effects or am I just overthinking it? I'm also interested in hearing about the long-term effects, if anyone knows anything about that. Also, how long until I can get back to my normal routine? I have a big presentation at work next week and I don't want to miss it. All the best, thank you.

vaccine
covid
pfizer
katherine_green · 4/18/2026
4 391
1 min read
last active 4/18/2026
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