Ativan 1 mg Tablet is used to treat epilepsy (status epilepticus) and anxiety disorder. Ativan 1 mg Tablet may be prescribed as short-term therapy for sleeping difficulties due to anxiety. It may also be used as a sedative prior to surgery. An anxiety disorder is a mental health disorder characterised by feelings of excessive fear or worry that affect an individual's daily activities. Epilepsy is a chronic disorder characterised by episodes of seizures (fits).