Benadryl is safe for dogs, but dont give any to your dog without consulting a vet first as the wrong dose could be toxic.
Your vet may recommend Benadryl to help treat your dog for conditions like hives or anxiety and can guide you on delivering the correct dosage and medication.
Heres what you need to know about how much Benadryl your dog should take and when you need to see the vet.
According to the Merck Veterinary Manual, the standard dose for Benadryl is 2-4 milligrams per kilogram of body weight, or 0.9-1.8 milligrams (mg) of Benadryl per pound. Therefore, a simple and practical dose is 1 mg of Benadryl per pound of your dog’s weight, given 2-3 times a day.
How long does it take for Benadryl to work in dogs?
It usually takes 24 hours for Benadryl to wear off and stop working. However, for dogs with liver or kidney disease, the effects can last longer. Always talk to your veterinarian before giving Benadryl, especially if your dog has chronic liver, kidney, or heart problems.
What is Benadryl used for in dogs?
Benadryl is a kind of an antihistamine drug. This kind of medication is widely used against any type of allergy. It usually works short-term.
Histamine itself is a substance released by the cells called Mast cells, which triggers our organisms allergy reactions. Moreover, histamine plays a vital role in human brain – thats why its also used to treat motion sickness.
Antihistamine for dogs has multiple applications – our Benadryl dosage for dogs calculator can be used for all of them.
A list of Benadryl generic drugs of possible allergy pills for dogs, available on the US market:
Dont give your dog any drugs without medical advice – always consult your veterinarian first!
Curious about other drugs for dogs? Check out the following links:
Can you give a dog Benadryl?
The answer is both yes and no – always consult your veterinarian first!
We all know that our regular food might be dangerous to our dogs – lets think about chocolate or grapes. The same goes for human medicine, as it can be pretty harmful to our pets in most situations.
Whats important to check?
Lets study the example of Benadryl (or any other diphenhydramine for dogs).
- Pregnancy
- Low blood pressure
- Any severe cardiovascular disease
- Glaucoma
- Lethargy
- Dry mouth
- Urinary retention
- Vomiting
- Diarrhea
- Lack of appetite
Weve equipped you with all the essential, practical knowledge about the Benadryl dosage for dogs by weight and its possible effects; time to discover our other dog tools and learn something new!
FAQ
How much Benadryl can an 80 pound dog have?
According to the Merck Veterinary Manual, the safe dosage is 2-4 milligrams of medication per kilogram of weight, or 0.9 to 1.8 milligrams per pound. This amount can be administered two to three times daily, depending on your dog’s symptoms.
How many 25mg Benadryl can I give my 80 pound dog?
The general dose of Benadryl (diphenhydramine) is 2 to 4 mg/kg up to three times day. If your dog weighs 25 lbs (11.3 kg) the dose of Benadryl would be 22.6mg to 45.2mg up to three times a day. Benadryl tablets are available in 25mg and 50mg strength.
Will 25 mg of Benadryl make my dog sleepy?
How much human Benadryl can I give my dog?