The merck veterinary manual recommends administering 2 4mg of benadryl per kilogram of body weight.
Antihistamine for dogs itching dosage.
Generally the recommended dosage of benadryl is 1mg per 1lb of your dog s weight.
Benadryl typically takes effect within 30 minutes of administration.
Because cetirizine rarely causes sedation it is not as effective for preventing anxiety during storms fireworks or other stressful events.
You should administer this dosage every 8 hours 3 times a day.
According to expert advice the proper dosage depends on a number of different factors including the size weight and breed of your dog check with your vet first if you are unsure.
A 50lb dog for instance can receive 2 benadryl tablets which are 25mg each.
The standard dosage for oral benadryl for dogs is 1 mg per pound of body weight given 2 3 times a day.
The most effective antihistamine can vary according to the dog breed.
The lethal dose ld50 for diphenhydramine in dogs ranges between 5 to 6 mg per pound of bodyweight by iv administration.
Most diphenhydramine tablets are 25 mg which is the size used for a 25 pound dog.
Dog weight regular dosage maximum dosage 8 lb 8 mg 16 mg 10 lb 10 mg.
Why to give a dog benadryl benadryl is an antihistamine.
You can give your dog the recommended dosage 2 3 times a day every 8 12 hours.
You may have to spend several weeks trying out three or four different antihistamines.
It should only be given to your dog every 8 hours.
Before you give your dog an antihistamine make sure you have the right amount.
As for dosage benadryl dosage is based on the dog s body weight.
Experts recommend 1mg of benadryl per 1lb of body weight.
But the safest way to give the proper dose is to ask your veterinarian.
It can also depend on your dog s age weight and medical history.
Like most medications the given dose is based on the dog s body weight.
According to one study a dosage of 0 45 mg lb 1 mg kg once daily was sufficient to control itching in 18 of treated dogs.
That said the most common over the counter antihistamine for dogs is benadryl.
You can use this table as an instrument to see how much benadryl diphenhydramine you can give your dog.
The best way to determine the correct benadryl dosage for dogs is to consult your veterinarian.