Fluoxetine is sometimes prescribed off-label to treat other behavioral disorders such as fear, anxiety, and impulsive behavior, and may also help with dog reactivity when used in combination with a behavioral modification plan. Speak with your veterinarian about whether fluoxetine is the right choice for your dog. No vet writer or qualified reviewer has received any compensation from the manufacturer of the medication as part of creating this article. All content contained in this article is sourced from public sources or the manufacturer.