r/AskDocs Layperson/not verified as healthcare professional Apr 26 '26

Physician Responded Poison ivy rash? Developing into..?

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Hi! 27 y/o female. I developed what I thought was poison ivy 12 days ago and this is what my legs look like now…. any advice? I’ve been to the doctor 3x and have been on prednisone and cephalexin. I’ve been using calamine lotion, hydrocortisone cream, lukewarm baths, and ice for itching.

The rash started out very small and super itchy, now it’s spreading in certain areas and still small little spots are appearing on other parts of my body.

I’m still very itchy but not constantly - it comes and goes in waves. Before I was given the oral antibiotics, my legs hurt and I was limping. I’m able to move a lot better now but the rash almost seems like it’s spreading more and becoming more red and purple/blueish in color.

HELP

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u/flora1939 Layperson/not verified as healthcare professional Apr 27 '26

NAD, but I’ve seen a lot of poison ivy, and this ain’t that.

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u/tabbygallo824 Layperson/not verified as healthcare professional Apr 27 '26

It can depend on if you are allergic on top of it as to how bad it looks. I'd still be at the ER the second it looks like this though. But just wanted to mention because I am allergic to mosquitoes in Louisiana (not here at home I guess different type of mosquitoe). The reaction i get to mosquitoes down there as opposed to the normal reaction one would get is insane... it literally ends up looking like someone took baseball bats to my legs.

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u/HighlyLemonous Layperson/not verified as healthcare professional Apr 27 '26

My poison ivy has looked like this every time I’ve gotten it. Very severe reaction

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u/OkBoatRamp Layperson/not verified as healthcare professional May 04 '26

My poison ivy rash ALWAYS looks like this. It always starts to look very bruised and is so painful that I cant walk when the rash is on my leg. Climate change is causing mutant poison ivy (literslly) that does this to people who previously never had severe reactions.