Actavis launches Tamsulosin capsules in the U.S levitra . Actavis Inc., began delivery Tamsulosin capsules to its customers in the United States today. Actavis is definitely partnering with Synthon Pharmaceuticals to launch and marketplace Tamsulosin capsules in the United States.4 mg strength capsule.S. Were approximately US$2.17 billion for the 12 months closing December 2009, according to IMS Health data.S. Sales of approximately $475 million for the 12 month period closing January 31, 2013 according to IMS Health..