Dog diseases in old age


As with humans, allergies are also increasing in dogs. Triggers can be direct and indirect allergens. Contact with a dog shampoo, for example, is a direct allergen. Indirect triggering can occur, among other things, by certain substances in dog food.


Allergy symptoms often appear first on the dog’s skin:


  • Severe itching
  • Redness
  • Pustules caused by scratching
  • Local coat loss or general coat thinning
  • Often accompanied by severe restlessness in the dog
  • Diarrhea and gastrointestinal problems


In acute cases, a quick veterinary measure such as the administration of antihistamines and corticoids is necessary. The consistent and permanent treatment is unavoidable. You should avoid the allergenic substances at all costs, for example by dieting or changing your shampoo. Find out more on the Fressnapf guide page Dog Allergies.

also read: aggressive rat terrier


Parvovirosis is a viral disease of the intestine that often occurs in puppies.


This shows the following symptoms:


  • Diarrhoea
  • Blood in the stool
  • Vomit
  • Dehydration
  • Fatigue


There is a vaccination against it, which belongs to the so-called core components (mandatory vaccination) and should definitely be carried out in puppy age. Acute treatment is carried out by the administration of vitamin K, fluid infusions, and remedies for diarrhea.



Hepatitis is a contagious inflammation of the liver that can be life-threatening. It occurs in humans and dogs alike. However, hepatitis contagiosacanis (HCC) is a special form that only affects dogs.


It can be recognized by the following symptoms:


  • Anorexia
  • Increased temperature
  • Fatigue
  • Thirst
  • Later diarrhea and vomiting
  • Pain in the abdomen


Infection usually occurs through contact with feces and other body excretions, in which the virus is preserved for a long time. Therefore, do not let your dog come into contact with the excretions of other dogs.


The hepatitis itself is untreatable and causes further liver damage. A preventive vaccination, which is already carried out at puppy age, is one of the core components.


Parasites: endo- and ectoparasites

Parasite infestation is one of the most common diseases that our dogs suffer from. A distinction is made between endo- and ectoparasites.



Senior dogs often suffer from cataracts. The eyesight of the animal is severely impaired.


The symptoms are:


  • Clouding of the eyes
  • Grayish “veil”
  • Treatment is carried out exclusively by surgery.



Most tumors in dogs develop at an older age. As in humans, a distinction must be made between benign and malignant tumors. Early detection can save dog lives.


Watch out for the following symptoms:


  • Swelling of the skin and bumps under the skin
  • Weight loss even with increased feeding quantity
  • Fatigue
  • Anorexia
  • If necessary, touch pain

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