Your dog can take Benadryl but after approval from your vet because all medicines either over the counter or prescription can cause side effects in dogs but when these medicines are used under the supervision of vets then side effects are minimum. Benadryl can treat allergy. Your dog needs to be investigated for causes of sinuses.
Following is dose of Benadryl in dogs
Following is dose of Benadryl in dogs
- 0.5 - 2 mg per pound body weight of dog orally for 2-3 times daily
- 0.5-1 mg per pound body weight IV 2 times a day