Vets generally try several different antihistamines before selecting one that suits the pet.
Antihistamine for dogs side effects.
As well dogs with the following conditions should not use 1st generation antihistamines.
Antihistamines are generally safe for dogs.
They can though have some side effects in up to a quarter of dogs.
Side effects of benadryl in dogs apart from the contraindications mentioned above even if your dog does not have any of those conditions benadryl has certain side effects that can manifest in your dog.
Most medications will cause drowsiness while others such as chlorpheniramine might also cause tiredness lethargy and diarrhea.
When choosing an antihistamine for dogs consider the side effects as well as the benefits of each different antihistamine.
This is because the most common side effects of benadryl are.
These are most often mild and disappear once you stop treating your dog.
You may commonly notice your dog behaving in a strange manner with slow reflexes.
They can also cause blurry vision dry mouth difficulty with coordination and concentration and nausea.
In some cases sedation wears off in a few days.
Some side effects of antihistamines you may see include.
A few of the unfavorable side effects of these medications are drowsiness sleepiness sedation queasiness diarrhea seizures and damage to the liver.
However if they are taken above the recommended dosage they can still have the same side effects as first generation antihistamines.
Most side effects occur within the first hour of exposure so monitor your dog carefully during this time.
Antihistamines need to be offered to dogs with a nutritious diet that s rich in fatty acids.
Which dogs can t have it.
The second generation antihistamines are purchased more often since they are in non drowsy form.
By and large benadryl is very well tolerated in dogs with few side effects.
Antihistamines should be given to dogs with a nutritious diet that s rich in fatty acids.