Drugs used to modify or treat disorders of the nervous system fall into several categories: anticonvulsants or antiepileptic drugs (AEDs), tranquilizers, sedatives, analgesics, and psychotropic agents. Also see Principles of Therapy of Neurologic Disease Principles of Therapy of Neurologic Disease Also see Systemic Pharmacotherapeutics of the Nervous System. Status epilepticus (continuous or cluster seizures) in dogs and cats may be interrupted by diazepam, given at 0.5 mg/kg (not to... read more , Veterinary.chapter on page Analgesic Pharmacology Analgesic Pharmacology Opioids continue to be the cornerstone of effective pain treatment in veterinary medicine. The opioids are a diverse group of naturally occurring and synthetic drugs used primarily for their... read more , and Principles of Pharmacologic and Natural Treatment for Behavioral Problems Principles of Pharmacologic and Natural Treatment for Behavioral Problems Psychotropic drugs and natural products can be used to reestablish a more stable emotional state and improve trainability in animals that are anxious, fearful, or overly reactive. Drugs might... read more .