
Such drugs include certain antihistamines, tranquilizers, barbiturates, and monoamine oxidase inhibitors.ĭiphenoxylate should not be used in animals with known hypersensitivity or allergy to the drug. Consult with your veterinarian to determine if other drugs your pet is receiving could interact with diphenoxylate. The most common adverse effects are constipation and sedation.ĭiphenoxylate may interact with other medications.


While generally safe and effective when prescribed by a veterinarian, diphenoxylate can cause side effects in some animals. Potential Side Effects of Diphenoxylate in Dogs

Diphenoxylate, also known as Logen®, Lomotil®, and Lonox®, is primarily used to treat diarrhea and colitis in dogs and cats. Diphenoxylate belongs to a class of drugs known as opiate agonists (morphine derivative).
