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patrick_dunn2026-04-18

I've been prescribed Penicillin VK 250mg Tablets for a strep throat infection. I've heard about some potential side effects, like allergic reactions, and I'm a bit worried. Has anyone else taken this medication? What were your experiences? What should I be on the lookout for? Is it common to have small side effects and how long should they last? Any advice on managing these side effects would be greatly appreciated.

1 min read
last active 4/18/2026
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Comments (6)

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patrick_dunn4/15/2026

Just finished a course of Penicillin VK for an ear infection. I got the black, hairy tongue thing. Gross, but it went away after I stopped the medication. My doctor said it's a harmless side effect and recommended using a soft toothbrush and lots of mouth rinsing to keep things clean. Super weird but not too bad.

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kathryn_martin4/15/2026

I've taken Penicillin VK a few times for various infections. I didn't have any serious side effects, just a bit of an upset stomach. Always make sure to finish the entire course of antibiotics, even if you feel better. If you experience any rash or difficulty breathing, seek medical help immediately. They recommend taking it with food or milk to reduce stomach irritation and always consult a doctor if you start to experience diarrhea.

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marie_ferguson4/15/2026

I had a really bad experience with Penicillin VK. I developed a severe rash and swelling in my throat. It was terrifying. Turns out I'm allergic to it. If you start to feel weird, don't ignore it. Your body’s telling you something. Tell your doctor right away!

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hannah_alvarez4/15/2026

I actually got a prescription to change the penicillin to the liquid form because it was way easier to take.

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samantha_bailey4/15/2026

So many antibiotics have similar side effects. I've had issues with them before, but never anything severe. I think it's important to trust your body. If something feels off, it probably is. Better safe than sorry.

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scott_robinson4/15/2026

Diarrhea is a common side effect of antibiotics, but if its bloody or very foul smelling seek medical help. I got a bad case of diarrhea from Penicillin VK but thanks to my doctor I was able to finish my course without any issues.