My dog yelped when I touched her swollen red armpit. What's wrong?

The skin looks swollen and is seems to be getting infected. I would suggest you take him to the vet for an exam as it is impossible for me to "diagnose" him over the internet. If you want to try something first I recommend you try this product: ( https://www.petco.com/shop/en/petcostore/product/zymox-spray-with-5-hydrocortisone ) No matter what, if he continues to lick it, it will not heal. If this spray doesn't make him stop licking it you will need to get him a cone collar. ( https://www.petco.com/shop/en/petcostore/product/all-four-paws-tan-comfy-cone-5000727--1?rrec=true ) If no improvement after 5-7 days of using the spray and him not licking it then you will need to get him to your vet for an exam. Hope this helps. Best wishes.

Ouch! That's quite the sore spot. It's possible it was snagged on something, or Shylah was licking/scratching at the spot. Since it's a rather large wound, it'd be a good idea to have your vet take a look so they can clean and clip around it and provide you with any antibiotics or pain meds as needed. Until then, keeping her from licking at it with an Elizabethan (cone) collar, and keeping the area clean and dry may help reduce irritation.

Hi there and thank you for using pet coach to address your concern. What you are seeing appears to be a rash that could be secondary to chafing. In a young active dog chafing can be common from high activity due to the friction leading to the redness and inflammation that you are seeing currently. I typically recommend using a spray such as malacetic conditioning spray and apply to the area until resolved. This spray will have a steroid in it to reduce inflammation and redness. It also has an antibacterial component to it so that if there is a secondary bacterial infection in this area it will help treat that. To help prevent future episodes, I typically recommend applying a greasy ointment in the armpit area such as Biobalm. This is a product that you can find online quite easily. I hope this helps! Please feel free to contact me with any other questions or concerns that you may have.

Thanks for using Petco Pet Education Center, formerly Petcoach! I think that this looks severe enough that it warrants a veterinary evaluation to shave and clean the area appropriately and also start him on antibiotics to treat a possible infection. They can assess how it looks on a close examination and treat it accordingly. Good luck and have a great day!

I would recommend going to the vet. Sometimes this can occur with insect bites, but it could also happen with autoimmune disease or bleeding disorders. The vet will do a thorough examination, and based on their findings and the medical history, may recommend blood work or other testing.

Poor Georgia! There are a number of things that could cause a red, swollen area like this on her paw. This could be a localized infection or inflammatory reaction of some kind, such as from an insect bite or sting. It could also be a skin growth or tumor, either benign or malignant (cancerous). I would recommend having this checked by a vet within the next few days, if you are able to. He/she can do a simple test called a fine needle aspirate to help determine what this lump is. Based on the results, the vet can advise you on whether Georgia needs to be treated with antibiotics and anti-inflammatory medication, or whether the lump needs to be surgically removed.

This spot looks quite small, and it doesn't appear infected from your picture. If it isn't bothering your dog, isn't getting bigger, and doesn't get infected (red, swollen, warm to touch, pus), then it can wait until her check up in a few weeks. Should any of the things I mentioned above happen, then I would take her into a vet sooner. Best of luck, I hope this helps!