If you are pregnant or breastfeeding, talk with your doctor before taking this medicine.
Make sure your doctor knows if you have glaucoma or liver, kidney, or lung disease before taking this medicine.
This medicine can be habit-forming. You should not use more or for longer periods than your doctor has ordered.
Talk with your doctor before you stop taking this drug, especially if you have been taking it for a long time or in large doses. You may need to take smaller and smaller doses before you stop completely.
Older adults and children may be more sensitive to the side effects of this medicine.