Torrent Pharma Inc, a wholly owned subsidiary of India-based Torrent Pharmaceuticals Limited, announced on Thursday that it has commenced shipping the generic version of Xeris's Keveyis (dichlorphenamide), 50mg tablets in the United States.

This follows final approval from the US Food and Drug Administration (FDA) for it its Abbreviated New Drug Application. Torrent is distributing the product through specialty pharmacies beginning this month.

Dichlorphenamide tablets are indicated for the treatment of primary hyperkalemic periodic paralysis and related variants, a rare condition that causes sudden episodes that affect the muscles, resulting in extreme muscle weakness or temporary paralysis – most often the inability to move the muscles of the arms and legs.