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Finasteride should never be taken by a woman or a child.
Finasteride can cause birth defects if a woman is exposed to it during pregnancy. Finasteride tablets should not be handled by a woman who is pregnant or may become pregnant.
You should not use finasteride if you are allergic to it.
finasteride should never be taken by a woman or a child. Finasteride can be absorbed through the skin, and women or children should not be permitted to handle finasteride tablets.
Using finasteride may increase your risk of developing prostate cancer. Talk with your doctor if you have concerns about this risk.
Tell your doctor if you have ever had:
liver disease, or abnormal liver function tests;
prostate cancer;
a bladder muscle disorder;
stricture of your urethra;
urination problems; or
an allergic reaction to a similar medicine called dutasteride (Avodart).
Although finasteride is not for use by women, this medicine can cause birth defects if a woman is exposed to it during pregnancy. Finasteride tablets should not be handled by a woman who is pregnant or who may become pregnant.
If a woman accidentally comes into contact with a broken or crushed tablet, wash the area with soap and water right away.
Your doctor will perform blood tests to make sure you do not have conditions that would prevent you from safely using finasteride.
Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.
Take this medicine with a full glass of water.
Take the medicine at the same time each day, with or without food.
Use finasteride regularly to get the most benefit.
It may take up to 3 months or longer before you receive the full benefit of taking finasteride. Your doctor will determine how long to treat you with this medicine. Keep using the medication as directed.
You will need frequent medical tests. Your doctor will also test your prostate specific antigen (PSA) to check for prostate cancer.
Store at room temperature away from moisture, heat, and light. Keep the bottle tightly closed when not in use.
Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.
Get your prescription refilled before you run out of medicine completely.
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Avoid getting up too fast from a sitting or lying position, or you may feel dizzy.
Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you notice any signs of male breast cancer, such as:
breast lumps;
breast pain or tenderness;
nipple discharge; or
any other breast changes.
Common side effects may include:
loss of interest in sex;
impotence;
trouble having an orgasm; or
abnormal ejaculation.
The sexual side effects of finasteride may continue after you stop taking finasteride. Talk to your doctor if you have concerns about these side effects.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Usual Adult Dose for Benign Prostatic Hyperplasia:
5 mg orally once a day
Comments:
-Dosing is the same both in monotherapy and in combination therapy.
Usual Adult Dose for Androgenetic Alopecia:
1 mg orally once a day
For the treatment of male pattern hair loss (androgenetic alopecia) in men only. (Safety and efficacy have been demonstrated in men between 18 to 41 years of age with mild to moderate hair loss of the vertex and anterior mid scalp area):
Comments:
-Daily use for 3 months or more is necessary before benefit is observed. Continued use is recommended to sustain benefit.
-Withdrawal of treatment leads to reversal of effect within 12 months.
Use: For the treatment of male pattern hair loss (androgenetic alopecia) in men only. (Safety and efficacy have been demonstrated in men between 18 to 41 years of age with mild to moderate hair loss of the vertex and anterior mid scalp area).
Other drugs may affect finasteride, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all your current medicines and any medicine you start or stop using.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Medically reviewed by USARx EDITORIAL TEAM Last updated on 1/1/2020.
Source: Drugs.com Finasteride (www.drugs.com/finasteride.html).
Commonly reported side effects of finasteride include: impotence and decreased libido. See below for a comprehensive list of adverse effects.
Applies to finasteride: oral tablet
Along with its needed effects, finasteride may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur while taking finasteride:
More common
Less common
Incidence not known
Some side effects of finasteride may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
More common
Less common
Less common or rare
Incidence not known
Applies to finasteride: oral tablet
Most men were older and were taking concomitant medications and/or had comorbid conditions:
Very common (10% or more): Impotence (up to 18.5%)
Common (1% to 10%): Abnormal ejaculation, decreased ejaculatory volume, abnormal sexual function, gynecomastia, erectile dysfunction, ejaculation disorder, testicular pain, male infertility and/or poor seminal quality
Two hundred fourteen reports of gynecomastia in men taking finasteride in the United States were received by the FDA between June 1992 and February 1995. Among those reported, fifty eight percent were taking additional medications that have been associated with gynecomastia. Sixty nine of 86 patients who discontinued finasteride treatment had partial or complete remission.
New reports of drug-related sexual adverse experiences have been reported to decrease with duration of therapy.
Erectile dysfunction has been reported to continue beyond treatment discontinuation. Normalization or improvement of seminal quality has been reported after withdrawing finasteride treatment.
Finasteride may cause a decrease in PSA levels in patients with benign prostatic hyperplasia as well as in patients with prostate cancer. In one study, mean PSA reductions of 50% were noted, regardless of baseline levels. There was no indication that PSA levels were further suppressed in patients with prostate cancer.
PSA levels are commonly used in the screening process for prostate cancer. Patients who develop sustained increases in PSA while on finasteride therapy should be carefully evaluated for medical causes as well as noncompliance.
Uncommon (0.1% to 1%): Breast tenderness, breast enlargement
Frequency not reported: Reductions in prostate specific antigen (PSA) levels of approximately 50%
Common (1% to 10%): Decreased libido, dizziness, somnolence
Frequency not reported: Headache
Common (1% to 10%): Postural hypotension, hypotension
Postmarketing reports: Palpitations
Frequency not reported: A prevention or delay in the appearance of prostate cancer, an increased risk of high-grade prostate cancer
Postmarketing reports: Rare cases of male breast cancer
Frequency not reported: Nausea, flatulence, abdominal pain
A 58 year old man presented with an itchy, lumpy rash on upper and lower extremities following two weeks of finasteride treatment for prostatism. The patient had no known allergies and was taking no other medications prior to the episode. The finasteride was discontinued and dapsone was initiated. The rash resolved two weeks after finasteride therapy was stopped.
Rare (less than 0.1%): Rash
Very rare (less than 0.01%): Cutaneous leukocytoclastic vasculitis, solitary fixed drug eruption
Postmarketing reports: Pruritus, urticaria, angioedema (including swelling of the lips, tongue, throat, and face)
Frequency not reported: Pruritus, urticaria, angioedema of the lips, tongue, throat, and face
Common (1% to 10%): Edema
Uncommon (0.1% to 1%): Rhinitis, dyspnea
Frequency not reported: Depression
Frequency not reported: Asthenia
Frequency not reported: Increased hepatic enzymes
Medically reviewed by USARx EDITORIAL TEAM Last updated on 1/1/2020.
Source: Drugs.com Finasteride (www.drugs.com/finasteride.html).
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