If you have an eye exam and your pupils are dilated with eye drops, tell the eye doctor ahead of time that you are using  Urogesic-Blue.
Before taking this medicine
You should not use this medicine if you are allergic to hyoscyamine, methenamine, methylene blue, or sodium biphosphate.
To make sure this medicine is safe for you, tell your doctor if you have:
heart disease;
a heart rhythm disorder;
congestive heart failure;
coronary heart disease;
a heart valve disorder;
glaucoma;
an enlarged prostate or bladder obstruction;
myasthenia gravis;
an ulcer or obstruction in your stomach; or
if you are allergic to belladonna (Donnatal and others).
It is not known whether this medication will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medicine.
This medicine can pass into breast milk and may harm a nursing baby. Tell your doctor if you are breast-feeding a baby.
This medicine should not be given to a child younger than 7 years old.
