�y��vlog

An over-the-counter antihistamine, chlorcyclizine HCl costs $16.98 for 30 pills when sold under the brand name Ahist.

Chlorcyclizine has been around for decades but is not widely used.

It's too early to know if the antihistamine chlorcyclizine HCI will work in people as a treatment for hepatitis C. Still, the new research suggests that "the drug blocks the virus getting into cells and is different from the current hepatitis C drugs, which block viral replication," said study co-author Dr. T. Jake Liang, a senior investigator with the U.S.