How much liquid benadryl for a dog?

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. This also should be given three times a day. read more

The dose of Benedryl for dogs is 1 mg per pound that your dog weighs so a 20 lb dog would get 20 mg. This can be repeated two to three times per day. The pill that is available over the counter is typically 25 mg. If you need to go with the children's liquid form, it is typically 12.5 mg/teaspoon (or 2.5 mg/ml or cc). 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