• If you have an allergy to methenamine and sodium acid phosphate or any other part of this medicine.
• Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other symptoms involved.
• If you have any of the following conditions: High phosphate levels in your blood, severe dehydration, severe kidney disease, severe liver disease, or you are on a low-salt or salt-free diet.
• Methenamine and sodium acid phosphate works to injure the bacteria and fight the infection.
• To gain the most benefit, do not miss doses.
• Use prescription as directed, even if feeling better.
• Take this medicine with a full glass of water.
• Take a missed dose as soon as possible.
• If it is almost time for the next dose, skip the missed dose and return to your regular schedule.
• Do not take a double dose or extra doses.
• Change in condition being treated. Is it better, worse, or about the same?
• You may need to check the acid content (pH) of your urine using a dipstick test.
• Store at room temperature.
• Protect from light.
• Protect tablets from moisture. Do not store in a bathroom or kitchen.
• If you have a life-threatening allergy, wear allergy identification at all times.
• Do not share your medicine with others and do not take anyone else's medicine.
• Keep all medicine out of the reach of children and pets.
• Most medicines can be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.
• Keep a list of all your medicines (prescription, natural products, supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, nurse practitioner, pharmacist, physician assistant).
• Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or in Canada to Health Canada's Canada Vigilance Program at 1-866-234-2345.
• Talk with healthcare provider before starting any new medicine, including over-the-counter, natural products, or vitamins.
Created: 2005-04-19 08:59:28.0
Modified: 2010-03-09 08:19:28.0
Lexi-PALS TM © (1977)-(2007) Lexi-Comp, Inc. All rights reserved.
• Check medicines with healthcare provider. This medicine may not mix well with other medicines.
• Do not take aspirin, antacids or medicines that raise the pH of the urine while on this medicine.
• Avoid citrus fruits, dairy products, and certain vegetables while taking this medicine.
• Certain water pills may decrease the effects of this medicine. Talk with healthcare provider.
• Tell healthcare provider if you are pregnant or plan on getting pregnant.
• Tell healthcare provider if you are breast-feeding.
• Feeling dizzy. Rise slowly over several minutes from sitting or lying position. Be careful climbing.
• Headache.
• Muscle weakness.
• Confusion.
• Nausea or vomiting. Small frequent meals, frequent mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help.
• Diarrhea or stomach pain.
• Bone or joint pain.
• Swelling.
• Bladder or urination pain or change in urination frequency.
• Increased thirst.
• If you suspect an overdose, call your local poison control center or emergency department immediately.
• Signs of a life-threatening reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.
• Difficulty breathing.
• Severe nausea or vomiting.
• Severe diarrhea, even after medicine is stopped.
• Severe bone or joint pain.
• Fast heartbeat.
• Any rash.
• No improvement in condition or feeling worse.
