Cardura XL

Generic Name: Doxazosin

  • What is Cardura XL?

    Cardura XL is used to treat 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.

  • 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 and may cause fainting, 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. Decreases in blood pressure also increase with age.

    Do not be concerned if a tablet is present in your stool, because Cardura XL has a shell that the body does not absorb.

    Cardura XL does not treat high blood pressure.

  • Who should not take Cardura XL?

    You should not take Cardura XL if you have severe liver problems or if you are allergic to medications in the same class or any other ingredients of Cardura XL.

    Cardura XL is not approved for use in women or children.

    If you have had a heart condition within the last six months, speak with your doctor before starting treatment with Cardura XL.

  • 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 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 because of possible dizziness or fainting.

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

    Caution should be taken when taking Cardura XL with atazanavir, clarithromycin, indinavir, itraconazole, ketoconazole, nefazodone, nelfinavir, ritonavir, saquinavir, telithromycin, or voriconazole. Medications known as PDE-5 inhibitors (such as Viagra, Cialis, and Levitra), taken with Cardura XL may amplify the decrease in blood pressure.

  • 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 (after standing up), 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.

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