Pharmaceutical Ortho-McNeil-Janssen Pharmaceuticals, a unit of US health care giant Johnson & Johnson (NYSE: JNJ), which has been plagued by a plethora of over-the-counter product recalls in the past year or so that have cost the group around $900 million in sales, says it is initiating a voluntary recall of one lot of the anti-psychotic drug Risperdal (risperidone) 3mg tablets, marketed by the company and one lot of generic risperidone 2mg tablets, sold by Patriot Pharmaceuticals, a wholly-owned subsidiary of Ortho-McNeil-Janssen. 20 June 2011