Pregarica is an effective anti-seizure drug. Pregarica is a pill that can be taken orally. It's usually taken twice or three times a day, with or without food. It also helps with nerve pain treatment. A sharp or searing pain that follows the route of a nerve is known as nerve pain. The feet and legs are the most commonly affected areas, however it can also affect other sections of the body. The most prevalent causes include nerve irritation or damage, as well as a neurological condition.