Dosage of Benadryl for Dogs The Merck Veterinary Manual recommends administering 2-4 milligrams of Benadryl per kilogram of body weight, two to three times a day.
How much Benadryl can I give my dog to relax him?
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 long does it take Benadryl to calm a dog?
It will usually take 30 minutes for Benadryl to take full effect, and you want your pup calm and anxious-free. In terms of what form of Benadryl, that's entirely up to your vet. It doesn't really matter if you use the brand name medication or not.
Can I give my dog 50 mg of Benadryl?
Official answer. 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 Benadryl make my dog sleepy?
The side effects of Benadryl in dogs are similar to the side effects humans might experience with the drug. These include sleepiness, dry mouth, sluggishness, or urinary retention. Some less common side effects that may appear include diarrhea, vomiting, rapid heartbeat, breathing problems, or loss of appetite.
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