Why does my dog have itchy, marble-like bumps under his skin?

It's hard to tell just from the photos because many lesions will look the same despite different causes. Those spots on Mara could be several things including fleas, allergies,superficial bacterial infection 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. I do recommend to go ahead and treat for fleas just in case. 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.

It could just be a ruptured cyst or some type of mass. Your vet can do a needle aspirate to diagnose the exact cause and determine if there is anything to worry about. If needed, your vet could remove the bumps. If the lesions appear infected then he may need an antibiotic to treat. Since he seems itch, you could bathe him with a medicated dog shampoo like Epi-soothe and see if that helps.

It may be a skin growth or cyst that is forming since it is different and lasting longer. With the thinning hair coat in some photos i would be concerned you have a skin infection that is contributing to the bumps and it is spreading and affected this hair follicle. I would have your vet check to see if it is infected as this will need antibiotics to clear it up. They can also check for any further parasites or an allergy

Hello! Those lesions could be caused by an infection like bacteria or even fungus as well as allergies. Usually though mild infections and allergies don't cause dogs to be depressed/act abnormally. If his behavior continues, he has any vomiting, or his food/water intake goes down further I recommend having your veterinarian do an exam as those changes could be caused by something more serious, like liver issues, anemia, an infection or even cancer.

The bald spots and pimples may indicate minor infection or may be a symptom of a broader underlying condition. Skin problems can have a variety of causes, sometimes more than one. It is important to have the condition addressed by your veterinarian to determine if there is a medical cause for your pet’s skin issues and treat accordingly. Young dogs can get skin infections, commonly referred to as 'puppy pyoderma'. This usually occurs on the belly and inside the hind legs. This type of infection usually resolves without treatment as the puppy gets older. [*Staph* infections](https://www.petcoach.co/dog/condition/staphylococcal-pyoderma-1/) are common in dogs of all ages and may requires antibiotic therapy to treat. In pets of all ages, [fleas](https://www.petcoach.co/dog/condition/flea-allergy/), [food allergies](https://www.petcoach.co/dog/condition/food-allergies/) and [environmental allergies](https://www.petcoach.co/article/food-allergies-vs-environmental-allergies-whats-the-difference) (contact or inhaled) can be a cause. Any one of these may not be enough to trigger the breakouts, depending on how sensitive your pet is, but a combination can be enough to start the itch-scratch cycle. Finding out the cause and eliminating it is the best course of action. With flea allergies, if your pet is sensitive enough, a single bite can cause them to break out scratch enough to tear their skin or cause a [hot spot](https://www.petcoach.co/dog/condition/hot-spots/). Diagnosing the cause of allergies may require [allergy testing](https://www.petcoach.co/article/allergy-testing-immunotherapy-in-dogs) and [food elimination trials](https://www.petcoach.co/article/food-trials-for-allergies-in-pets-what-to-expect). [Check for fleas](https://www.petcoach.co/article/how-to-check-your-pet-for-fleas-and-ticks) with a flea comb. Look for fleas and/or tiny black granules, like coarse black pepper. This is flea feces, consisting of digested, dried blood. You may find tiny white particles, like salt, which are the flea eggs. Applying a good topical monthly flea treatment and aggressively treating your house and yard will help break the flea life cycle. If you use plastic bowls, this is a possible cause for hair loss, though this tends to be on the chin, where their skin touches the bowl while they eat. If you suspect this to be the culprit, try changing the bowls to glass, metal or ceramic. Food allergies are often caused by sensitivity to a [protein in the food](https://www.petcoach.co/article/all-about-protein-in-pet-food). Hill's Science Diet offers some non-prescription options for sensitive skin as well as [prescription hypoallergenic foods](https://www.petco.com/shop/en/petcostore/category/dog/dog-food/prescription-dog-food-and-treats) for more severe cases. Royal Canin carries limited protein and [novel protein](https://www.petcoach.co/article/what-is-a-novel-protein-pet-food) diets that may also offer some relief. Your vet can recommend a specific diet that will help.

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.

The cause of the itching needs to be investigated. He could have a mites, fleas, a food allergy, or an allergic reaction to something, especially if the bumps came up suddenly. Diesel should be seen by your vet to determine why he's so itchy and get him started on treatment. Depending on their findings, you vet may recommend medicated baths, sips, antibiotics, or a different food, or some combination of these to fit his needs.