benadryl for dogs how much a day
The dosage of Benadryl for dogs is 1 mg/lb given every 8 hours (three times a day). For example, a dog weighing 40 lbs would need 40 mg of Benadryl per dose. Benadryl, or diphenhydramine, is commonly prescribed by vets when a dog is suffering from allergies, or as a preventative measure for motion sickness if youâre planning on travelling with your pet.