In addition to injuries, a pet can become sick and require a checkup to determine the cause. Thanks to the developments in medicine, specialists from the site found out that the contraindications of Ativan are acute liver and kidney diseases, severe myasthenia gravis, hypersensitivity to drugs of this group. As a side effect, sometimes there is drowsiness, dizziness, itching, nausea, constipation. There are some symptoms that signify an emergency visit is required. If your pet is vomiting or has diarrhea constantly, there is a chance it has eaten something poisonous. If your pet is lethargic or non-responsive, heat stroke or an internal injury may be to blame. Seizures, disorientation, difficulty breathing, bloating of the abdominal area or crying out in pain are some symptoms that mean a trip to our veterinary practice for an emergency assessment is best.