Puffy/more palpable veins on inside front leg between suspensory and flexor tendons

Horse came up two days ago with more palpable veins on inside of both front legs, running from right below knee to about 1/3 of the way down, between the suspensory and SDFT. The pulses were not bounding, but present and could be felt if you searched a bit. No history of prior tendon or ligament problems, and no lameness or heat present. Seemed to go down with poultice, and then come back upon removal of poultice. He did get worked twice this weekend, harder than normal, on somewhat slick, angled ground—I was not happy when I found out, since he is fairly out of shape and I had given permission for light w/t ONLY. Additionally, he was ridden barefoot without his boots and he went back out into his fairly hard pasture—so is a bit footsore as well.

I cold hosed and applied Surpass last night, and am having a bit of a meltdown thinking my horse has managed to do bilateral suspensories/tendons/take your pick. I won’t be able to check on his legs until I get back from work around 5PM.

Is there a possibility/likelihood this is just some swelling/inflammation from the work, and he’ll be ok with rest, ice, and some supportive medication? It’s worth noting that he is not a high level performance horse anymore—he’s retired from that we just go on trail rides and dink around w/t/c occasionally. My usual veterinarian is out of the country right now, and while I do like my backup vet, I can’t really afford to spend the $150 call fee plus the $350 ultrasound if I’m just being paranoid. I’m currently rehabbing a bow on my other horse and have gotten pretty good at convincing myself everything is an imminent wrecked tendon—I haven’t had many experiences with tendon issues before this, so most of my knowledge is theoretical and not practical.

You really need to get a vet (instead of the internet) to actually lay eyes on the horse.

With that being said- my horse had a minor, barely perceptible lameness (off-ness). I noticed she looked veiny, as you described, called my vet. Vet was in the area, swung in- she said " you just brought her in from turn out, she’s walking around, the blood is pumping- it’s going to look bigger." (cliff note version)

So- yeah- not her suspensory. And I have had one with a suspensory issue.

I have other concerns after re-reading your post- but my advice is to get a vet if you are concerned.

IME, it’s possible for those veins to pop up when a horse is footsore. Given that you can feel a slight pulse, and it’s in both front legs, and your horse has just worked on hard ground, and he seems to have tender feet… Personally I wouldn’t be panicking about a soft tissue injury, I’d be treating his feet for a little bruising. Can you feel a stronger pulse at his pasterns?

I would be more concerned if only ONE leg was affected, and the enlarged vein was accompanied by filling in the tendon sheath, pain on palpation, and heat. From what you describe, I’d take a deep breath, put down the surpass and grab some magic cushion.

The only thing I would panic about is if there is no coffee in the morning.

There are about 10,000 reasons there is vasodilation. I suggest that you take the time to educate yourself on all of the various lamenesses and the associated indications. I’ve never seen or heard of “palpable veins” as an indicator on any lameness.

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Welp, now I just feel like an idiot–as I should, I suppose, for a few reasons. :lol: My vet will be back this weekend and out mid next week to scan the rehab horse, and I’ll have him take a peek then. Thanks for the input.

Distension of the Medial Palmer Vein

It is actually one of the first things I noticed before my horse has a bump form on his knee from inflammation/arthritis :

it can be a sign of inflammation or extra blood flow to an area.

also read a looooong time ago in a veterinary book when I was asking myself this exact question and some horses will show this with proximal suspensory desmitis, but it also said the distension is not unusual in sound horses either
.

Also as someone else suggested hoof soreness can cause it too and so many other things.