How much children's benadryl can i give my dog?

That should give you a fairly accurate dosage. If you want to be more precise, the formula to do that is to give your dog 1 mg of Benadryl for every 1 lb of body weight. So a 35-pound dog should get 35 mg of Benadryl per dose. read more

The standard dosage for oral Benadryl is 1 mg per pound of body weight, given 2-3 times a day. Most drug store diphenhydramine tablets are 25 mg, which is the size used for a 25 pound dog. Always double check the dosage before giving an over the counter medication. read more

The usual dosage of Benadryl for dogs is 1 mg/lb every 8 to 12 hours (two to three times daily). In certain situations (e.g. following a snake bite) 2 mg/lb per dose may be given instead. When used for allergies, it is best if the medicine is given before exposure to the allergen. read more

Usually, it is recommended to give 1mg of Benadryl for 1lb of body weight every 8 hours. If your dog weighs 15 pounds, then you should give him 15mg of Benadryl 3 times a day. If you are going to give Benadryl in liquid form, then the dosage should be 0.4ml for 1lb of the body weight. For a reference, a US teaspoon can hold up to 5ml. read more