A nurse is developing a plan of care for a client who has Meniere's disease. Which of the following medications should the nurse anticipate administering?

Choice A rationale Pantoprazole is a proton pump inhibitor used to decrease gastric acid secretion in conditions like gastroesophageal reflux disease or peptic ulcers. While it is an important medication for gastrointestinal health, it has no physiological impact on the underlying pathology of Meniere's disease. Meniere's disease is an inner ear disorder characterized by an accumulation of endolymphatic fluid, and pantoprazole does not influence the fluid dynamics or electrolyte balance within the vestibular or cochlear systems. Choice B rationale Oxybutynin is an anticholinergic medication used primarily to treat overactive bladder and urinary incontinence by relaxing the detrusor muscle. Although it possesses anticholinergic properties, it is not a standard treatment for the management of Meniere's disease. The goals of therapy for Meniere's involve reducing the volume of endolymph in the inner ear. Oxybutynin does not target the specific mechanisms of fluid regulation in the ear and would not effectively address the vertigo or hearing loss. Choice C rationale Furosemide is a loop diuretic that helps reduce the excess endolymphatic fluid characteristic of Meniere's disease. By promoting the excretion of sodium and water, diuretics help decrease the overall fluid volume and pressure within the inner ear, which can reduce the frequency and severity of vertigo attacks. Clients on furosemide should be monitored for hypokalemia, as the normal potassium range is 3.5 to 5.0 mEq/L, and a low sodium diet is often used concurrently. Choice D rationale Warfarin is an anticoagulant used to prevent blood clots by interfering with the synthesis of vitamin K dependent clotting factors. It is indicated for conditions like atrial fibrillation or deep vein thrombosis. Meniere's disease is not caused by a clotting disorder or vascular obstruction that would require anticoagulation. Administering warfarin to a client with Meniere's disease provides no therapeutic benefit and unnecessarily increases the risk of bleeding complications without addressing the fluid imbalance in the inner ear.