U – Drug Interactions and Warnings U – Drug Interactions and Warnings Ultracef Ultram Uni-Ace Uni-Dur Unipen Uniphyl Uniretic Unisom with Pain Relief Univasc Uri-Tet Uro-Mag Urobiotic Uroplus Uticort A B C D E F G H I J K L M N O P Q R S T U V W X Y Z [All] Herbal Side Effects, Interactions and Warnings Supplement Side Effects, Interactions and Warnings Prescription Drug Interactions and Warnings Prescription Information Resources Disease Information last update: April 2009