Generic Dutas

Common use

Dutas is used to treat benign prostatic hyperplasia (BPH) also known as benign prostatic hypertrophy (technically a misnomer) or benign enlargement of the prostate (BEP). It refers to the increase in size of the prostate in men. Dutas decreases urinary retention, reduces the risk of needing surgery. Untreated BPH may contribute in prostate cancer.



Dosage and direction

Take Dutas orally with a glass of water, with or without food. Do not cut, crush, chew or open capsules of this medicine, swallow them whole. Do not exceed the recommended dose. Consult your doctor regarding the proper dosage for you.



Precautions

Before taking Dutas, tell your doctor or pharmacist if you are hypersensitive to the drug or to finasteride; or if you have any other food or drug allergies. This medication cannot be administered to women or children. Pregnant women should not handle this medication to avoid harm to the unborn baby. Notify your doctor if you had prostate cancer or liver disease in history. Do not interrupt treatment with this medication suddenly. It make take about 6 months to see if treatment with Dutas is beneficial.



Contraindactions

Dutas is contraindicated in patients who have demonstrated hypersensitivity to Avodart or other 5α-reductase inhibitors.



Possible side effect

Possible side effects are nausea diarrhea, or vomiting, jaundice, loss of appetite, a decrease in sex drive, breast enlargement or tenderness (gynecomastia), inability to have or maintain an erection, difficulty ejaculating, a decrease in the amount of semen released during sex. Many people using this medicine do not develop serious side effects. Serious allergic reactions to this medicine are unlikely. For more information contact your doctor or pharmacist.



Drug interactions

Be sure to inform your doctor about all medications and herbal products you take and especially about Cimetidine, Ciprofloxacin, Diltiazem, Ketoconazole, Ritonavir, Verapamil. For more information contact your doctor or pharmacist.



Missed dose

f you missed a dose take it as soon as you remember. If it almost time of your next dose just skip it and return to your regular schedule. Never take double dose or extra dose of this medication.



Overdose

If you think you have used too much of this medicine seek emergency medical attention.



Storage

Store at room temperature between 20 and 25 C (68 and 77 F). Store away from heat, moisture, and sunlight. Do not let children to reach the medication.



Disclaimer

We provide only general information about medications which does not cover all directions, possible drug integrations, or precautions. Information at the site cannot be used for self-treatment and self-diagnosis. Any specific instructions for a particular patient should be agreed with your health care adviser or doctor in charge of the case. We disclaim reliability of this information and mistakes it could contain. We are not responsible for any direct, indirect, special or other indirect damage as a result of any use of the information on this site and also for consequences of self-treatment.

Clinical Verification

Last Clinically Updated: August 15, 2026

Written By

Dr. Elena Vance, PharmD

Clinical Specialist in Neuropharmacology

Fact Checked By

Marcus Thorne, MS

Biomedical Data & FDA Label Verification

Medically Reviewed By

Dr. Arthur Campbell, MD

Board-Certified Psychiatrist (ABPN)