Reasons for Itching in Dogs!

Reasons for Itching in Dogs!

If you notice your dog biting and chewing his own skin, he may be suffering from pruritus, or itching. Itching is a symptom of another condition and is often your clue that something needs to be addressed. You may also notice hair loss or inflamed, red skin, or an increased anxiety in your dog. Pruritus can occur in any area of your dog’s body, and the resultant scratching and biting can cause self-inflicted wounds and secondary infections. Consult the Best Veterinary Hospital to find out the reasons for it.

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Why Itching and Biting Occurs in Dogs?

Your dog may be itching for many reasons that have to do with the state of your dog’s skin and general health, as well as what he may be exposed to.

Contact Dermatitis

This skin irritation occurs from direct contact with an irritant, and can appear right away or over a period of days. Substances your dog may come into contact with that can cause a skin reaction include chemicals such as pyrethrins in flea collars and pesticides from lawns, materials such as wools in bedding, or plants that contain certain irritating substances, such as burdock burs or daisies.


Dogs can become allergic to various things, resulting in skin rashes and irritation. Your dog may develop an allergy to various environmental allergens, such as pollens, dust, or mold, and may also exhibit respiratory symptoms. Food allergies and sensitivities can also create skin problems, especially around their anal areas. While fleas are a nuisance for any dog, some can develop a specific allergy to their saliva, which can result in hair loss and red bumps.

Medical Conditions

There are certain physical conditions that can cause your dog’s skin to itch. These include various cancers, autoimmune diseases, hypothyroidism, or even anal glands that have become too full.

Parasitic Infections

Parasites can cause chronic states of itching in our canine companions which cannot resolve until the parasites are removed. Common parasites include fleas and scabies mites, but dogs can also become infected with sarcoptic mange and demodex mites.

Bacterial Infections

Bacterial infections can be a result of your dog scratching the itchiness, but they can also be the cause of the itching. Even infections that are not necessarily in the skin can cause itching, such as an infection in the ear or bladder.

Fungal Infections

Fungal infections can affect the skin and cause irritation. Yeast infections are common, as is the ringworm fungus that can be picked up in the yard.

What to do if your Dog is Itching and Biting?

A dog who is constantly itching and biting at his skin can cause more damage to himself. Itching is always a symptom of a physical issue, and should be checked by your veterinarian.

Your vet will ask you many questions about the history of the itching, if your dog has been exposed to new environments or animals, or if there have been any changes in bedding, shampoos or foods. After a physical exam, your vet may take blood, urine or fecal samples to be tested. Skin scrapings and bacterial or fungal cultures can help the diagnosis. If allergies are suspected, your vet may perform a skin or blood allergy test. If a food allergy may be the cause, your vet may order a special diet to be fed over several weeks. More severe medical conditions may require further testing.

Treatment will attempt to treat the cause. Food allergies often require a change in diet that can be permanent. Allergies can be treated with antihistamines and steroids, and sometimes with a specially formulated vaccine that is specifically made for your dog. Infections are often given antibiotics, antiparasitics, or anti-yeast medications as needed. Fatty acids can be added to your dog’s diet to help soothe his skin.

In many cases, topical lotions, creams, or medicated shampoos are recommended to reduce itching and inflammation. Bathing your dog on a regular basis can often help to wash away allergens and reduce inflammation. A T-shirt or other form fitting clothes can be used to control the itch in your dog’s skin, and stop him from scratching. Keeping your dog indoors on high pollen days can help if he suffers from seasonal allergies.

Prevention of Itching and Biting

Preventing your dog’s skin from itching may be as simple as providing effective parasite control, such as chews or spot treatments. Regular grooming can keep your dog’s coat and skin free of allergens and irritants, while alerting you to a possible problem. Keep your dog away from hazardous chemicals, such as those in weed control sprays, and ensure that he does not have access to irritating plants in the yard. Routine veterinary visits can give you early warning to any medical conditions that could cause a skin issue in your dog.


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Dr. Satish Yadav

(Director) Pet Care Hospital, graduated from Rajasthan University Of Veterinary And Animal Sciences (RAJUVAS) in 2011, has over 6 years of experience as a Veterinary Practitioner. He is also a Consultant Veterinarian at South Asian University.

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