Dehydral®; Hiprex®; Mandelamine®; Urasal®
- It is used to treat or prevent a bladder infection.
- If you have an allergy to methenamine or any other part of this drug.
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If you have any of these health problems: Fluid loss (dehydrated), kidney disease or liver disease.
- If you are taking a sulfa (sulfonamide) drug. Ask your doctor if you are not sure if any of your drugs are a sulfa drug.
- Tell dentists, surgeons, and other doctors that you use this drug.
- Have blood work checked as you have been told by the doctor. Talk with the doctor.
- If you are allergic to tartrazine, talk with your doctor. Some products have tartrazine.
- You may need to check the acid content (pH) of your urine using a dipstick test.
- Talk with your doctor before you take aspirin, antacids, or drugs that raise the pH of the urine while on this drug.
- Talk with your doctor before you eat citrus fruits, dairy products, and some veggies while taking this drug.
- This drug may affect certain lab tests. Be sure your doctor and lab workers know you take this drug.
- Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this drug while you are pregnant.
- Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Very upset stomach or throwing up.
- Bladder pain or pain when passing urine or change in how much urine is passed.
- Blood in the urine.
- Upset stomach.
- To gain the most benefit, do not miss doses.
- Use as you have been told, even if you feel well.
- Take with or without food.
- Take a missed dose as soon as you think about it.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
- Store at room temperature.
- Store in a dry place. Do not store in a bathroom.
- Keep all drugs out of the reach of children and pets.
- Check with your pharmacist about how to throw out unused drugs.
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else’s drugs.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
If you have any questions or concerns, talk with a member of your healthcare team. You can reach them Monday through Friday from 9:00 am to 5:00 pm at ____________________. After 5:00 pm, during the weekend, and on holidays, please call____________________. If there’s no number listed, or you’re not sure, call 212-639-2000.