Profile: Alva-Amco Pharmacal Cos., Inc. manufactures non-prescription pharmaceuticals and medical devices. Our Arthriten® joint pain relief is a medicine for arthritis pain and associated discomforts. It has two effective analgesic ingredients for the symptoms of minor arthritis pain due to inflammation and stiffness. Our Diurex® reduces temporary excess body water and related discomforts. It includes Diurex® aquagels, Diurex® water caplets, Diurex® water capsules and Diurex® water pills. Our Tranquil® calming dietary supplement caplets provide dependable relief from occasional nervousness, stressfulness, restlessness and related irritability.