Gary has been prescribed barbiturates. what ailment does he most likely have

He is suffering from epilepsy. An individual prescribed with barbiturates could be suffering from either anxiety, insomnia or seizure disorders. Barbiturates are under a broad class of drugs specifically used to weaken the Central Nervous System. These drugs were used to induce sleep or coma, often used to sedate patients before surgical procedures. Barbiturates are known for their sedative, hypnotic and anticonvulsant properties and were rarely used today because of its adverse effects on health.