DO NOT use Propecia if
- are allergic to any ingredient in Propecia
- the patient is a woman or a child.
Contact your doctor or healthcare provider immediately if any of these apply to you.
Some medical conditions may interact with Propecia. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are taking any prescription or non-prescription medicine, herbal preparation, or dietary supplement
- if you are allergic to medicines, foods or other substances
- if you have a narrowing or blockage in your urinary tract, prostate cancer, or problems urinating
- if you have a history of abnormal liver function tests or liver problems.
Some medications can interact with Propecia. However, no specific interactions with Propecia are known so far. Ask your doctor if Propecia may interact with other medications you take. Check with your doctor before starting, stopping, or changing the dose of any medicine.
Important safety information:
- You may have to take Propecia for up to 3 months before you notice any improvement. Do not take more than the recommended dose without consulting your doctor.
- If your symptoms don't improve within 12 months, see your doctor. You may need to discuss other treatment options.
- Infrequently, Propecia may cause a decrease in sexual desire or ability. These effects usually lessen in men who continue to take Propecia. If they continue or become bothersome, check with your doctor.
- Propecia may increase the risk of certain birth defects, including abnormal formation of the genitalia in male fetuses. Propecia is coated to prevent contact with finasteride when handling undamaged tablets. The coating is not effective if the tablets are damaged, broken or crushed. Women who are or may be pregnant should avoid contact with damaged, broken or crushed tablets. If contact occurs, tell your doctor immediately.
- Propecia may interfere with certain laboratory tests, including PSA tests. Make sure your doctor and laboratory personnel know you are taking Propecia.
- Propecia is for use by men only and should not be used by women or children.
Use Propecia as directed in the package insert