If anorexia, weight loss, or pruritus develop in patients on ZYLOPRIM, evaluation of liver function should be part of their diagnostic workup. Mefenamic acid may decrease the antihypertensive activities of Levobunolol. How is this medicine (Luvox CR) best taken? The therapeutic efficacy of Furosemide can be decreased when used in combination with Pimecrolimus. The syrup is then cooled and seeded with sugar crystals. It may be used as a phosphate binder for the treatment of hyperphosphatemia (primarily in patients with chronic renal failure).