As for dosage benadryl dosage is based on the dog s body weight.
Antihistamine for dogs itching dosage.
The standard dosage for oral benadryl for dogs is 1 mg per pound of body weight given 2 3 times a day.
The best way to determine the correct benadryl dosage for dogs is to consult your veterinarian.
It should only be given to your dog every 8 hours.
The lethal dose ld50 for diphenhydramine in dogs ranges between 5 to 6 mg per pound of bodyweight by iv administration.
Dog weight regular dosage maximum dosage 8 lb 8 mg 16 mg 10 lb 10 mg.
You may have to spend several weeks trying out three or four different antihistamines.
Most diphenhydramine tablets are 25 mg which is the size used for a 25 pound dog.
A 50lb dog for instance can receive 2 benadryl tablets which are 25mg each.
The merck veterinary manual recommends administering 2 4mg of benadryl per kilogram of body weight.
But the safest way to give the proper dose is to ask your veterinarian.
As with any other medication it s always good to have a chat with your veterinarian before you give your dog benadryl.
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.
In general 1 2 a 4mg tablet or 5ml is prescribed for smaller breeds while 1 2 tablets or 10 20ml of liquid can be given to larger dogs.
The most effective antihistamine can vary according to the dog breed.
Because cetirizine rarely causes sedation it is not as effective for preventing anxiety during storms fireworks or other stressful events.
That said the most common over the counter antihistamine for dogs is benadryl.
The standard benadryl dosage for dogs is one mg pound of body weight.
Why to give a dog benadryl benadryl is an antihistamine.
Like most medications the given dose is based on the dog s body weight.
It can also depend on your dog s age weight and medical history.
Before you give your dog an antihistamine make sure you have the right amount.
You should administer this dosage every 8 hours 3 times a day.
Experts recommend 1mg of benadryl per 1lb of body weight.
You can give your dog the recommended dosage 2 3 times a day every 8 12 hours.
Benadryl typically takes effect within 30 minutes of administration.