A dog becomes sleepy within 60 minutes from administration of a properly sized dose of Benadryl, according to AZVets.com. Peak levels of the active ingredient diphenhydramine are found in blood circulation within one to five hours, as noted in The Merck Veterinary Manual.Know More
Proper dosage of Benadryl is 2 to 4 milligrams per kilogram of pet weight, as prescribed by The Merck Veterinary Manual. This agrees with the simple rule of 1 milligram per pound recommended by AZVets.com and DoseMyPet.com. As an example, a 30-pound dog should be administered 30 milligrams of Benadryl in a proper dosage.
Some over-the-counter products containing Benadryl also contain other medications that are toxic to canines, including acetaminophen or pseudoephedrine. AZVets.com recommends checking labels closely and obtaining the advice of a veterinarian before administering any drug to a dog.Learn more about Veterinary Health
According to vets, a dog can have Benadryl, but only after consulting a professional veterinarian. Benadryl is given to both dogs and cats to eliminate issues such as eye infections, insect bites, insomnia, anxiety, skin irritations and fleas.Full Answer >
petMD reports that Benadryl is often prescribed to treat allergies in dogs. Walker Valley Veterinary Hospital says that dogs can be given 1 milligram of Benadryl per pound of the dog's weight twice a day to control allergy symptoms.Full Answer >
According to veterinarian Dr. Kara McCarty, it is safe to give a puppy Benadryl. Puppies are dosed at 1 milligram of Benadryl per pound of body weight three times a day. A 10- to 12-pound puppy can receive half of a 25 milligram Benadryl tablet three times per day.Full Answer >
Common side effects of Benadryl in canines include the presence of dry mouth, a loss or decrease in appetite with or without vomiting, diarrhea and a decrease in urine according to PedMD. Benadryl has been known to react with other prescription medications like amitraz, furazolidon and epinephrine. Special precautions must be taken when administering Benadryl, especially to pregnant canines and canines with heart diseases or high blood pressure.Full Answer >