methenamine mandelate/sodium acid phosphate - oral, Uroqid-Acid No.2 (cont.)

PRECAUTIONS: Before taking methenamine mandelate with sodium acid phosphate, tell your doctor or pharmacist if you are allergic to these medicines; or to formaldehyde; or if you have any other allergies.This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: kidney problems, severe liver problems (e.g., cirrhosis, chronic hepatitis), severe dehydration, high blood levels of a certain mineral (phosphate).The sodium phosphate in this medication should be used with caution if you have certain conditions. Tell your doctor if you have any of the following: heart failure, swelling of feet/legs, fluid in the lungs (pulmonary edema), high blood sodium, high blood pressure, toxemia of pregnancy, low parathyroid hormone (hypoparathyroidism), active inflammation of the pancreas (acute pancreatitis).This product contains a large amount of sodium. This medicine should be used with caution if you are on a low-sodium diet.Kidney function declines as you grow older. This medication is removed by the kidneys. Therefore, caution is advised when using this drug in the elderly because they may be more sensitive to its side effects.During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.This drug passes into breast milk. Since this medication may cause unwanted side effects in your nursing infant, consult your doctor before breast-feeding.

DRUG INTERACTIONS: Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor or pharmacist first.This drug should not be used with the following medications because very serious interactions may occur: certain sulfa antibiotics (sulfamethizole), thiazide diuretics (e.g., hydrochlorothiazide), carbonic anhydrase inhibitors (e.g., acetazolamide), antacids, urinary alkalinizing agents (e.g., sodium bicarbonate).If you are currently using any of these medications listed above, tell your doctor or pharmacist before starting this methenamine product.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: high blood pressure medicines (e.g., diazoxide, guanethidine, hydralazine, methyldopa, reserpine), corticosteroids (e.g., corticotropin or mineralocorticoids such as fludrocortisone).Using this medication with salicylates (e.g., high-dose aspirin) may lead to increased blood salicylate levels. If you currently take high doses of salicylates, tell your doctor because you should be closely monitored to avoid side effects.This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.

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