A British pharmaceutical company is getting closer to a decision on whether the U.S government will approve the first prescription drug derived from the marijuana plant, but parents who for years have used cannabis to treat severe forms of epilepsy in their children are feeling more cautious than celebratory.

The U.S. Food and Drug Administration is expected to decide by the end of the month whether to approve GW Pharmaceuticals Epidiolex. Its a purified form of cannabidiol a component of cannabis that doesnt get users high to treat Dravet and Lennox-Gastaut syndromes in kids. Both forms of epilepsy are rare.

Cannabidiols effect on a variety of health conditions is frequently touted, but there is still little evidence to back up advocates personal experiences. The U.S. Drug Enforcement Administration has long categorized cannabis as a Schedule I drug, a category with no currently accepted medical use and a high potential for abuse. That strictly limits research on potential medical uses for cannabis or the chemicals in it, including cannabidiol, or CBD.

But for years, parents desperate to find anything to help their children have turned to the marijuana-based products made legal by a growing number of states.

Parents who have used cannabis to treat severe epilepsy in their children are feeling more cautious than celebratory as the US government nears decision on drug made from marijuana plant. (June 19)

Meagan Patrick is among the parents using CBD to treat symptoms in their children. She moved from Maine to Colorado in 2014 so she could legally get CBD for her now-5-year-old daughter, Addelyn, who was born with a brain malformation that causes seizures.

My child was dying, and we needed to do something, Patrick said.

As for the potentia...