It is very important that your doctor check your progress at regular visits to make sure this medicine is working properly. Blood or urine tests may be needed to check for unwanted effects .
Check with your doctor right away if you have any of the following symptoms while taking this medicine: convulsions or seizures; decreased urine; drowsiness; dry mouth; excessive thirst; muscle pains or cramps; nausea or vomiting; increased heart rate or pulse; or unusual tiredness or weakness. These may be symptoms of a condition called hypokalemia or potassium loss .
Dizziness, lightheadedness, or fainting may occur, especially when you get up from a lying or sitting position. Getting up slowly may help. If the problem continues or gets worse, check with your doctor .
Drinking alcoholic beverages may also make the dizziness, lightheadedness, or fainting worse. While you are taking this medicine, be careful to limit the amount of alcohol you drink .
This medicine may cause changes in your blood sugar levels. If you notice a change in the results of your blood or urine sugar tests or if you have any questions, check with your doctor .
Before you have any medical tests, tell the medical doctor in charge that you are taking this medicine. The results of some tests (e.g., tests for parathyroid function) may be affected by this medicine .
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements .