My cat's old neck hair loss patch is now bigger and bleeding. Why?

Hair loss is that area could be a few things. If you are using a topical flea medication and applying it there, that could be the cause. Cats can also get skin mites, allergies or ringworm (which humans can get), or an injury. Could the dried blood be from her scratching with her hind paw? From the photos, I don't appreciate any hair loss around the ears. Minor wounds can often heal on their own. Monitor the lesion closely, if it doesn't begin healing within a week or if it starts looking worse, have her examined by the veterinarian. Also make sure she is not scratching at the area. Best of luck.

Poor cat! If the wound is growing in size, it's time to go to your vet. Problems such as allergies to parasite bites, fungal infections such as ringworm, infections of the skin, abscesses/sores etc can all be potential causes which is why a vet visit is needed to determine the cause, provide treatment such as pain meds and antibiotics, etc. Until you can get to your vet, keeping the area clean and dry may help as well as preventing your cat from licking, but if he is acting ill and hiding away he is likely already painful or worsening so needs care.

Thank you for contacting Petco Pet Education Center, formerly Petcoach with your question about Ares. Poor boy! Apply gentle pressure to stop the bleeding. Wash the wound with warm water and antiseptic soap. To keep him from licking at it, you can put an Ecollar on him. You can get one at a pet store or make one at home. Keep the wound clean and dry, and monitor it for signs of infection. If you see redness, swelling, warmth to the touch, or pus, then it is infected and he will need to see the vet for antibiotics to treat it. I hope this helps!

Thank you for submitting your question regarding Oreo. I recommend that he sees his veterinarian. His upper lip appears very sore. He could have a skin infection or have the beginnings of a disease known as indolent ulcers. This is a serious condition that is typically triggered by an allergy. His veterinarian will examine him and may recommend a skin biopsy. I hope this information helps!

The photos aren't that clear but this looks like inflammation/infection of the skin. It could have been caused by pathogen or injury or the mine system. To know more and for treatment you will need to go to the vet for an examination.

It's good that the area has stopped bleeding. I would keep an eye on it for now. I would gently clean the wound with warm water and antiseptic soap. Keep the wound clean and dry, and monitor it for signs of infection. If you see redness, swelling, warmth to the touch, or pus, then it is infected and Nick will need to see the vet for antibiotics to treat it. I hope this helps!

Skin cancer is unlikely at that age. It is more likely that there is an infection there which did not clear up as antibiotics are needed. Bite wounds must be considered always infected. A check up is needed. Your veterinarian will flush the wound first and prescribe local or systemic antibiotics.