OCD: obsessive compulsive disorder
Oasil: see Chlordiazepoxide
OCM : see Chlordiazepoxide
Omnalio: see Chlordiazepoxide
Orfidal : see Lorazepam
Ortopsique : see Diazepam
Ortrip : see Nortryptyline
Oxazepam : a benzodiazepine medication. Includes brand names such as Alepam, Murelax, Serax, Serepax, Seresta.
Oxetine: see Fluoxetine
Oxytocin: a hormonewith a number of functions including muscle contraction and nerve sensitivity.