If you are pregnant or breastfeeding, talk with your doctor before using this medicine.
Make sure your doctor knows if you have glaucoma, liver disease, kidney disease, or lung disease before using this medicine.
This medicine may be habit-forming. If you feel that the medicine is not working as well, do not use more than your prescribed dose. Call your doctor for instructions.
Talk with your doctor before you stop using this medicine,especially if you have been using it for a long time or in large doses. The doctor may have you take smaller and smaller doses before you stop completely.
Older patients and children may have more severe side effects from this medicine.