Cardura XL

Generic name: Doxazosin mesylate

What is Cardura XL?

Cardura XL is indicated for the treatment of the signs and symptoms of benign prostatic hyperplasia, a condition in which the prostate gland grows larger and may block the flow of urine from the bladder. The drug relieves symptoms such as weak urine stream, dribbling, incomplete emptying of the bladder, frequent urination, and burning during urination.

What is the most important information I should know about Cardura XL?

Dizziness from low blood pressure may occur within a few hours of taking Cardura XL. You should be aware that dizziness or fainting may occur, especially within the first few doses, if your doctor increases the dose of Cardura XL, or if you miss a few doses and restart your regimen. If this happens, avoid situations such as driving, operating machinery, or performing hazardous tasks from which injury could result.

Who should not take Cardura XL?

You should not take Cardura XL if you have severe liver problems. Also, patients allergic to other quinazolines such as prazosin or terazosin; doxazosin; or any ingredients of Cardura XL should not take this medication.

What should I tell my doctor before I take the first dose of Cardura XL?

Always tell your doctor about all the prescription, over-the-counter, and herbal medicines you are taking, as well as your medical history. Also, tell your doctor if you are going to have surgery, or if you have digestive problems, constipation, or liver problems.

What is the usual dosage?

The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

Adults: The usual dose of Cardura XL is 4 milligrams (mg) given once daily with breakfast. The maximum recommended dose is 8 mg daily. If Cardura XL is discontinued for several days, therapy should be restarted with the 4 mg once-daily dose.

If switching from Cardura to Cardura XL, therapy should be initiated with the lowest dose (4 mg once daily). Prior to starting therapy with Cardura XL, the final evening dose of Cardura should not be taken.

How should I take Cardura XL?

Cardura XL should be taken each day with breakfast. Swallow Cardura XL whole; do not crush, chew, divide, or cut the tablets.

What should I avoid while taking Cardura XL?

Avoid situations such as driving, operating machinery, or performing hazardous tasks while receiving initial or increased doses.

What are possible food and drug interactions associated with Cardura XL?

Caution should be taken when taking Cardura XL with atanazavir, clarithromycin, indinavir, itraconazole, ketoconazole, nefazodone, nelfinavir, ritonavir, saquinavir, telithromycin, or voriconazole.

What are the possible side effects of Cardura XL?

Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

Side effects may include: back pain, breathing problems, headache, low blood pressure/dizziness, muscle pain, muscle weakness, nausea, respiratory infection, sleepiness, stomach pain, upset stomach, urinary tract infection

Can I receive Cardura XL if I am pregnant or breastfeeding?

Women should not take Cardura XL.

What should I do if I miss a dose of Cardura XL?

If you miss a singe dose of Cardura XL, take the dose as soon as you remember it. However, if it is almost time for your next dose, skip the dose you missed and return to your regular dosing schedule. Do not double the dose. Contact your doctor if you have missed doses of Cardura XL for several days in a row.

How should I store Cardura XL?

Store at room temperature.