It may take some time for this medicine to work. If you feel that the medicine is not working, do not stop taking it on your own. Instead, check with your doctor.
The helpful effects of this medicine may be decreased if you smoke. If you have any questions about this, check with your doctor.
Dizziness may occur, especially when you get up from a lying or sitting position or climb stairs. Getting up slowly may help. If this problem continues or gets worse, check with your doctor.