Immediate treatment of drug induced OGC can be achieved with intravenous antimuscarinic benzatropine or procyclidine ; which usually are effective within 5 minutes .
May take as long as 30 minutes for full effect .
Immediate treatment of drug induced OGC can be achieved with intravenous antimuscarinic benzatropine or procyclidine ; which usually are effective within 5 minutes , although may take as long as 30 minutes for full effect .