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Methenamine |
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What is Methenamine and why is it prescribed? Methenamine relieves lower urinary tract discomfort caused by inflammation or diagnostic procedures. It is used to treat urinary tract infections including cystitis, urethritis, and trigonitis. Methenamine acts as a mild antiseptic by changing into formaldehyde in the urinary tract when it comes in contact with acidic urine. Methenamine may give a blue to blue-green color to urine and discolor stools as well. How should you take Methenamine? Follow your doctors directions for taking Methenamine. To avoid stains on your skin, mouth, or teeth, make sure your hands are dry before handling the tablets, swallow them quickly, and wash them down with plenty of liquid. If your mouth gets dry during Methenamine therapy, hard candy or gum, saliva substitute, or crushed ice may provide temporary relief. Take this medication exactly as prescribed. Drinking plenty of fluids will help the medication work better and relieve discomfort. If you miss a dose take it as soon as you remember. If it is almost time for your next dose, skip the one you missed and go back to your regular schedule. Never take two doses at the same time. Store Methenamine at room temperature, in a dry place. Are there any Methenamine side effects? Methenamine side effects cannot be anticipated. If any develop or change in intensity, inform your doctor as soon as possible. Methenamine side effects with long-term use may include acute urinary retention, blurry vision, difficulty urinating, dizziness, dry mouth, flushing, rapid pulse, and skin rash. What are the possible food and drug interactions when taking Methenamine? If Methenamine is taken with certain other drugs, the effects of either could be increased, decreased, or altered. Be sure to inform your doctor of all the prescription and over the counter medications you are taking. It is especially important to check with your doctor before combining Methenamine with Acetazolamide (Diamox), Potassium supplements (such as Slow-K), Sodium bicarbonate antacids (such as Alka-Seltzer), or Sulfa drugs (such as Gantrisin, Gantanol, Bactrim, and Septra). Drugs and foods that produce alkaline urine (such as sodium bicarbonate, antacids, and orange juice) should be limited. Are there any special warnings about Methenamine? Methenamine should be used cautiously if you have heart disease or have ever had a reaction to medications that are chemically similar to atropine. Your doctor may ask you to check your urine with phenaphthazine paper to see if it is acidic. Urine acidifiers, such as vitamin C, may be recommended if the urine is not acidic enough. |
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Information on this website is provided for educational purposes and should not replace discussions with your doctor. |
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