Vaccination can cause adverse reactions not only in humans but in animals also. There are various vaccinations recommended for cats as well as dogs. These do not generally cause serious reactions and are highly useful in protecting them from various fatal diseases.
The reactions may be as simple as redness, pain or swelling in the injected part of the body. Unless they persist more than a week, the dog is generally safe. But in some cases, there could be adverse reactions which need medical attention and hence it is important to be aware of them.
Fibrosarcoma and Anaphylaxis are examples of some serious reactions that can be caused by vaccination. Anaphylaxis, though rare, is life-threatening and causes cardiac failure, respiratory problems, mental shock and death. This allergic reaction occurs within some minutes to less than 24 hours of vaccination.
The symptoms start with seizures, vomiting, diarrhea, facial swelling, pale gums and cold limbs. Though the pulse remains weak, the heart rate is fast. Generally this reaction can occur after vaccination for leptospirosis, canine coronavirus, and rabies.
Canine adenovirus-1 vaccine causes ‘blue eye’ which results in inflammation of the eye. Certain dogs develop neurological symptoms after certain types of vaccination, for e.g. Canine distemper and measles vaccination. It can cause inflammation of the brain. If puppies less then 5 weeks old are vaccinated with a modified live vaccine, they can develop cerebellar disease.
Some dogs have seasonal allergies. In that case, vaccination is preferred during the non-allergy season to reduce the risk of allergic reactions.
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