Blood Pressure Home > Doxazosin Sexual Side Effects

For people taking doxazosin, sexual side effects are possible, including erectile dysfunction, changes in libido, and ejaculation problems. Priapism, a painful erection of the penis that does not go away, has also been reported in rare cases. Although they are quite uncommon, if you experience any doxazosin sexual side effects, talk to your healthcare provider. He or she may adjust your dosage or recommend another medicine.

An Overview of Doxazosin Sexual Side Effects

Doxazosin mesylate (Cardura®) is a prescription medication that is used for the treatment of an enlarged prostate (also known as benign prostatic hyperplasia, benign prostatic hypertrophy, or BPH). Doxazosin is also approved as a treatment for high blood pressure. As with all medicines, side effects are possible with doxazosin. Some of these side effects can affect a person's sexual well-being. In the case of doxazosin, sexual side effects have been reported.

How Common Are Doxazosin Sexual Side Effects?

Sexual dysfunction was reported in up to 2 percent of people taking doxazosin for high blood pressure. The term "sexual dysfunction" includes many sexual side effects, including erectile dysfunction (ED or impotence), changes in libido (sex drive), ejaculation problems, and sexual problems in women.
Priapism has also been reported with doxazosin, although it is rare among men who are taking the drug. It happens in less than 1 out of several thousand people taking the medication.
Priapism is a painful erection of the penis that does not go away, even after sexual intercourse or masturbation. If left untreated, priapism can lead to permanent damage to the penis, perhaps causing erectile dysfunction. For this reason, it is very important to seek medical attention immediately if you think you are having symptoms of priapism. Even though this may seem embarrassing, it is necessary to avoid permanent damage to the penis. If your healthcare provider is not available, you should seek emergency medical care.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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