Precautions
Drug information provided by: Merative, Micromedex®
It is very important that your doctor check your progress at regular visits for any unwanted effects that may be caused by this medicine.
Do not use this medicine if you are also taking clarithromycin (Biaxin®), ketoconazole (Nizoral®), itraconazole (Sporanox®), or ritonavir (Norvir®). Using these medicines together may cause serious unwanted effects.
Dizziness, lightheadedness, or fainting may occur after you take this medicine, especially when you get up from a lying or sitting position. Getting up slowly may help lessen this problem. 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.
This medicine may cause some people to become dizzy or less alert than they are normally. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.
Benign prostatic hyperplasia can have the same symptoms as prostate cancer. They may also often occur together. Your doctor may test for the presence of the cancer before you start using this medicine.
Tell your eye doctor (ophthalmologist) that you have used or are using this medicine before cataract surgery or any other eye procedure. This medicine may cause a serious eye problem called Intraoperative Floppy Iris Syndrome (IFIS).
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.
Portions of this document last updated: June 01, 2024
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