Why does my Dog have Hives?

Many of the questions on the Internet ask why does my dog have hives. It’s a common problem that occurs in dogs, and an answer can best be found by first understanding what causes hives in dogs. Read below for more information about canine hives to better understand this disease.

Why does my dog have hives? Hives are easily found all over a pet’s body, and they can be red, pink, or even blue in colour. Although hives are the most common skin condition causing itching and scratching in pets, they are also separated into three categories.

Why does my Dog have Hives?

Hives are red, itchy swellings on the skin that are caused by an allergic reaction to something. Dogs with hives can feel very uncomfortable and may scratch at their skin so much that they cause themselves to bleed.


The most common cause of hives in dogs is fleas, but there are other causes as well.

Other possible causes include :

  • Food allergies,
  • Insect bites,
  • Drug reactions,
  • Environmental allergies (pollen, dust mites),
  • Parasites (ticks) and
  • Medications such as antibiotics or antihistamines.

If your dog has hives, you’ll want to take them to the vet immediately for treatment. The vet will likely do a blood test so they can determine what caused your dog’s hives and then treat them accordingly.


Hives are red, itchy bumps on your dog’s skin. They can range from small to large and appear anywhere on your dog’s body. A few symptoms of hives include:

• Itching

• Excessive licking

• Scratching or biting at the area

• Discoloration of the skin

Hives are small, red, itchy bumps on your dog’s skin. They can be caused by many different things, and they’re not harmful to your dog.

If you notice your dog has developed hives, there are a few things you should know:

-Hives are not contagious to humans or other dogs.

-Your dog can have hives at any time of the year, but they tend to appear more often in the summer months.

-Hives are most likely to occur in dogs who have allergies or sensitivities to certain foods or ingredients in their diet.

-Dogs with food allergies tend to develop hives along their spine or hindquarters because these areas are closest to the stomach where food is digested and absorbed into the bloodstream.

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