Frequent urination may last for up to 6 hours after a dose and should decrease after you take furosemide for a few weeks. Tell your doctor if any of these symptoms are severe or do not go away:
* muscle cramps
* weakness
* dizziness
* confusion
* thirst
* upset stomach
* vomiting
* blurred vision
* headache
* restlessness
* constipation
If you have any of the following symptoms, call your doctor immediately:
* fever
* sore throat
* ringing in the ears
* unusual bleeding or bruising
* loss of hearing
* severe rash with peeling skin
* difficulty breathing or swallowing
* rapid, excessive weight loss
Keep all appointments with your doctor and the laboratory.
Do not let anyone else take your medicine.
