Established in 1904, Alva-Amco Pharmacal Companies is one of the leading producers of specialty nonprescription pharmaceuticals, medical devices, dietary supplements and cosmetics in the United States. It markets more than 30 products through various pharmacies, supermarkets and mass merchants throughout North America. The company markets the Diurex menstrual diuretic analgesic, FungiCure topical antifungal and Psoriasin topical psoriasis care products. Alva-Amco Pharmacal Companies also offers the Backaid analgesic formulae and the Thinz reducing plans and diet aids. The company additionally provides the HERPETROL gel and tablets, NAUZENE chewables, ULTRA-FIBER balanced fiber supplement and TRANQUIL nighttime sleep aid.