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What is it? Overview Usage Side Effects and Warnings

What is Methenamine?

(meth EN a meen)

• This medicine is used to prevent or treat a urinary tract infection.

What are the precautions when taking this medicine?

• If you are allergic to tartrazine, talk with healthcare provider. Some products contain tartrazine.

• If you have liver disease, talk with healthcare provider.

• 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.

What are some possible side effects of this medicine?