- Can't tell
Before taking dutasteride, tell your doctor if you have ever had an allergic reaction to this medication, or to a similar medicine called finasteride (Propecia, Proscar).
Dutasteride should never be taken by a woman or a child. Dutasteride can be absorbed through the skin, and women or children should not be permitted to handle dutasteride capsules.
Although dutasteride is not for use by women, this medication can cause birth defects if a woman is exposed to it during pregnancy. Dutasteride capsules should not be handled by a woman who is pregnant or who may become pregnant.
If a woman accidentally comes into contact with this medication from a leaking capsule, wash the area with soap and water right away.
Do not donate blood while taking dutasteride and for at least 6 months after your treatment ends. Dutasteride can be carried in the blood and could cause birth defects if a pregnant women receives a transfusion with blood that contains dutasteride.
Seek emergency medical attention if you think you have used too much of this medicine. An overdose of dutasteride is not expected to produce life-threatening symptoms.
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at the next regularly scheduled time. Do not take extra medicine to make up the missed dose.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Less serious side effects may include:
- decreased libido (sex drive);
- decreased amount of semen released during sex;
- impotence (trouble getting or keeping an erection); or
- breast tenderness or enlargement.
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.
The following drugs can interact with dutasteride. Tell your doctor if you are using any of these:
- conivaptan (Vaprisol);
- diclofenac (Arthrotec, Cataflam, Voltaren, Flector Patch, Solareze);
- imatinib (Gleevec);
- isoniazid (for treating tuberculosis);
- an antibiotic such as clarithromycin (Biaxin), dalfopristin/quinupristin (Synercid), erythromycin (E.E.S., EryPed, Ery-Tab, Erythrocin), or telithromycin (Ketek);
- an antifungal medication such as clotrimazole (Mycelex Troche), itraconazole (Sporanox), ketoconazole (Nizoral), or voriconazole (Vfend);
- an antidepressant such as nefazodone;
- heart or blood pressure medication such as diltiazem (Cardizem, Dilacor, Tiazac), nicardipine (Cardene), quinidine (Quinaglute, Quinidex, Quin-Release), or verapamil (Calan, Covera, Isoptin, Verelan); or
- HIV/AIDS medicine such as amprenavir (Agenerase), atazanavir (Reyataz), delavirdine (Rescriptor), fosamprenavir (Lexiva), indinavir (Crixivan), nelfinavir (Viracept), saquinavir (Invirase, Fortovase), or ritonavir (Norvir).
This list is not complete and there may be other drugs that can interact with dutasteride. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.
Avodart and dutasteride
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