When A Dog Has An Allergic Reaction. You will often see facial swelling vomiting or even more severe signs of trouble breathing and collapse if they undergo a true anaphylaxis reaction. These are most commonly caused by insect bites or stings but they may have other causes as well. Pets with allergies are often observed biting licking or scratching at these sites resulting in inflamed skin and hair loss. Most allergic reactions are fairly mild in a dog but some can become severe.
Some dogs that are experiencing an allergic reaction break out in hives which are small raised bumps or red patches on your dogs skin. Difficulty breathing due to inflammation or swelling of the throatairway. These are most commonly caused by insect bites or stings but they may have other causes as well. Contact your vet immediately if your dog is having an allergic reaction. In this case while your dog may have a swollen muzzle or hives she is also struggling to breathe. Shock eg an elevated heart rate low blood pressure Abnormal heart rhythm.
Dogs and cats suffering from severe allergies might traumatize their skin resulting in open sores and infection.
Swelling or hives can occur. If you know your dog is allergic to yeast or suspect it then I would try a medicated one that has antifungal properties such as Quick Relief Neem. Pets with allergies are often observed biting licking or scratching at these sites resulting in inflamed skin and hair loss. While dogs can have allergic reactions to a multitude of things including medications pollen dust and food abrupt facial swelling after being outdoors is commonly caused by a bee sting or insect bite. If your dog is prone to anaphylaxis say he has a known severe bee sting allergy you can ask your vet for a custom dose of an epi pen to keep at home to treat your dog right. This makes affected dogs extremely itchy especially at the base of the tail and their skin may.