Why is my dog scratching, has hot spots, red bumps, and black skin?

This is probably caused by an allergic reaction. first of all make sure you de-flea Maggie regularly every month with a high quality spot on (ex. Advantage) as fleas are by far the most common reason for these reactions. If the fleas are not the problem, it could be an allergic reaction to food or an environmental factor. this is more complicated to treat and will sometimes require medications such as Steroids, anti histamines or cyclosporin in order to stop the allergy.

It's difficult to tell exactly what's going on here without seeing the lesion and being able to do some testing, but I am suspicious of a skin infections. These infections can be due to fungi, bacteria, parasites, or all of the above. There is often a primary problem that causes the itch, so if Maggie has been itching for a while, then it's best to get the source of the itch discovered by a vet. I'll give you a few tips for dealing with a skin infection, but if the lesion gets worse, or is not getting any better within a week of treatment, then I'd recommend you have a vet evaluate Maggie. I recommend doing the following every day until the skin appears normal again: 1) Clip the hair around the area and expose all of the lesions. 2) Wash the area with warm water and a medicated shampoo (can get this at the pet store) once a day. Use a cloth and gently wipe away the scabs. Do not scrub, because it will irritate the skin more. It's OK if all of the scabs do not come off in each washing. 3) Make sure the area is completely dry after washing. I hope that helps and all is well with Maggie.

I looks like a hot spot. I suggest you use apply hydrocortisone spray or hydrocortisone cream to the affected area 2 times per day. If after a week or so it is not looking better then he should see your vet. ( https://www.petcoach.co/dog/condition/hot-spots/ )

Those spots on Maggie could be several things including fleas, allergies, skin mites, bacterial infection, ringworm (which humans can get) or endocrine disease. There are a couple things you can do at home and they can help but they may not address the underlying cause. Treat for fleas. You can try adding in an omega 3 fatty acid supplement for dogs, this can help improve the skin health. You may also try changing her diet to something like Royal Canin or Nutro as they are aimed at skin health. You can wash the lesions once a day (not her whole body, just the lesions). Also protect the area from trauma by having your pup wear an elizabethan collar at all times. If the lesions do not start improving within a week or if they are getting worse, have her examined by the veterinarian. I hope this helps and please feel free to post any additional questions.

This redness indicates inflammation and is usually itchy. This is often due to one of two conditions. 1) Allergies - this can happen suddenly and is usually due to an environmental (i.e pollen) cause. https://www.petcoach.co/article/how-to-tell-if-your-pet-has-allergies/ 2) External parasites - fleas, lice and mites can all cause intense itching. It's good to check her for fleas and get treatment if needed. This pattern is more suspicious of mange, which is a mite infestation. A veterinarian can check for these mites and prescribe treatment. One thing you can do for itchy skin, is give a bath with cool water using an oatmeal or aloe shampoo. You can get these shampoos at the pet store. Below is a link with more helpful advice for relieving the itch. https://www.petcoach.co/article/4-great-strategies-for-relieving-your-dog-s-allergies/ I hope this helps you to identify the problem. If not, then it would be worth taking her to the vet. We can usually discover the cause quickly and provide the best treatment.

She could have a skin infection, mites, fleas, ringworm, allergic dermatitis, etc. Your vet can do a skin scrape, cytology, or culture to help diagnose and then prescribe medications to treat the problem. She may need an antibiotic, anti-histamine, corticosteroid, or other medications depending on the cause. Make sure to treat her with a monthly flea medication like NexGard, Frontline, Advantage, or Revolution to prevent fleas.

Hello. This looks pretty typical for an allergic dermatitis that has lead to a skin infection. Ideally, this should be addressed by your veterinarian. They can discuss possible causes (food allergy, contact allergy, flea allergy, etc) and prescribe medications which may include antibiotics for the raised lesions and allergy therapies.