Hotspots are usually superficial bacterial infections of the skin. They can be caused by anything that irritates the skin enough to allow bacteria to get a foothold and grow. This produces itchiness that makes the dog chew or scratch, which further damages the skin, leading to a bigger area of infection……. and the cycle can go on rapidly and spread widely. I don’t know if the name comes from the inflammation that is visible, the warmth around the wound due to the inflammation or the rapidity with which these skin infections can appear and spread. What is usually seen is an area of hairloss with very red skin that may be exuding serum. In some cases there
isn’t much hairloss but the skin gets crusty or scabbed, anyway. Keeping the areas dry helps to limit their spread but it is often necessary to use some form of itch control to get these to resolve.
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DO NOT give any cat a non-steroidal anti-inflammatory medication without consulting with your vet first. Acetaminophen is toxic to cats, aspirin is extraordinarily easy to overdose in cats because the half-life of aspirin in a cat is 72 hours (3 days!) and other non-steroidal medications do not appear to have been studied much in cats, probably due to the problems with these two common ones. For arthritis, we do sometimes use aspirin but it must be used cautiously and it is important to know the patient’s medical condition well prior to its use.
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Early juvenile cellulitis
In a very young puppy with noticeably swollen lymph nodes the first problem that comes to mind is “puppy strangles” or juvenile cellulitis. This is also sometimes referred to as juvenile pyoderma. This is a disorder affecting puppies that causes swelling, pustules, hairloss and lymph node
enlargement, often confined to the head and neck areas. It may cause generalized lymph node enlargement and sometimes the skin infection signs affect the trunk or feet as well as the face
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