It is very important that your doctor check your progress at regular visits to make sure this medicine is working properly and to check for unwanted effects.
You will need to have your blood pressure measured during treatment with this medicine. If you notice any changes to your recommended blood pressure, call your doctor right away. If you have questions about this, talk to your doctor.
Dizziness, lightheadedness, or fainting may also occur while using this medicine. Make sure you know how you react to this medicine before you drive, use machines, or do anything else that could be dangerous if you are dizzy or not alert. If you feel dizzy, lie down so you do not faint. Then sit for a few moments before standing to prevent the dizziness from returning.
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 (eg, St John's wort) or vitamin supplements.