Cardura Xl Oral Tablet, Extended Release 4Mg Drug Medication Dosage Information
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Cardura XL: Oral tablet, extended release (4mg)

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Drug Image file DrugItem_9096.JPG
Cardura XL 4mg Tab
Pfizer US Pharmaceuticals
Pill Identification: CXL 4 

What is this Medicine?

DOXAZOSIN (dox AY zoe sin) is an antihypertensive. It works by relaxing the blood vessels. It is used to treat benign prostatic hyperplasia (BPH) in men and to treat high blood pressure in both men and women.

CVS Pharmacy Patient Statistics for Cardura XL: Oral tablet, extended release(4mg)
Generic vs. Brand Name Usage*
*Brand contains same active ingredient but may not represent FDA-approved generic equivalent
Usage By Strength
In-Depth Information

Cardura XL 4mg Extended-Release Tablet

NDC: 000492710
  • Prescription Required
  • Not a Controlled Drug
    (CSA Schedule)
  • FDA Approved




FDA approved for the following conditions:
Benign Prostatic Hyperplasia (BPH)

Storage Information
Store at 77 degrees F; excursions permitted to 59-86 degrees F
Cardura XL 4mg Extended-Release Tablet
Drug Image file DrugItem_9096.JPG
Pfizer US Pharmaceuticals
Pill Identification: CXL 4 
Shape: round
Color: white

Reported Side Effects for Cardura XL 4mg Extended-Release Tablet

Infection Incidence:
<1.4%*
Severity: MILD
Onset: DELAYED
Postural Low Blood Pressure Incidence:
0.3-2.2%*
Severity: MODERATE
Onset: DELAYED
Muscle Pain Incidence:
0.5-1.4%*
Severity: MILD
Onset: EARLY
Fainting Incidence:
0.5%*
Severity: MILD
Onset: EARLY
Decreased Sexual Desire Incidence:
0.8%*
Severity: MILD
Onset: DELAYED
Rapid Heart Rate Incidence:
0.9%*
Severity: MODERATE
Onset: RAPID
Joint Pain Incidence:
1.0%*
Severity: MILD
Onset: DELAYED
Muscle Weakness Incidence:
1.0%*
Severity: MODERATE
Onset: DELAYED
Excessive Mucle Tone Incidence:
1.0%*
Severity: MODERATE
Onset: DELAYED
Flushing Incidence:
1.0%*
Severity: MILD
Onset: RAPID
Nose Bleed Incidence:
1.0%*
Severity: MILD
Onset: DELAYED
Incoordination Incidence:
1.0%*
Severity: MODERATE
Onset: DELAYED
Uncontrolled Urination Incidence:
1.0%*
Severity: MODERATE
Onset: EARLY
Ringing In Ears Incidence:
1.0%*
Severity: MILD
Onset: DELAYED
Muscle Cramps Incidence:
1.0%*
Severity: MILD
Onset: DELAYED
Low Blood Pressure Incidence:
1.0-1.8%*
Severity: MODERATE
Onset: RAPID
Nervousness Incidence:
1.1%*
Severity: MILD
Onset: DELAYED
Flu Incidence:
1.1%*
Severity: MILD
Onset: DELAYED
Excessive Sweating Incidence:
1.1%*
Severity: MILD
Onset: DELAYED
Impotence (erectile Dysfunction) Incidence:
1.1%*
Severity: MODERATE
Onset: DELAYED
Upset Stomach Incidence:
1.2-2.3%*
Severity: MILD
Onset: EARLY
Rapid Heart Rate Incidence:
1.2%*
Severity: MODERATE
Onset: EARLY
Inability To Sleep Incidence:
1.2%*
Severity: MILD
Onset: EARLY
Drowsiness Incidence:
1.2-5.0%*
Severity: MILD
Onset: EARLY
Upset Stomach Incidence:
1.2-1.4%*
Severity: MILD
Onset: EARLY
Shortness Of Breath Incidence:
1.2-2.6%*
Severity: MODERATE
Onset: EARLY
Chest Pain Incidence:
1.2%*
Severity: MODERATE
Onset: EARLY
Dry Mouth Incidence:
1.4%*
Severity: MILD
Onset: EARLY
Visual Impairment Incidence:
1.4-2.0%*
Severity: SEVERE
Onset: EARLY
Balance Problems Incidence:
1.5-4.1%*
Severity: MILD
Onset: EARLY
Stomach Pain Incidence:
1.8-2.4%*
Severity: MILD
Onset: EARLY
Inceased Urination Incidence:
2.0%*
Severity: MILD
Onset: EARLY
Loose Stools Incidence:
2.3%*
Severity: MILD
Onset: EARLY
Swelling Incidence:
2.7-4.0%*
Severity: MODERATE
Onset: DELAYED
Rhinitis Incidence:
3.0%*
Severity: MILD
Onset: EARLY
Weakness Incidence:
3.9-6.9%*
Severity: MILD
Onset: DELAYED
Headache Incidence:
5.1-9.9%*
Severity: MILD
Onset: EARLY
Lightheadedness Incidence:
5.3-19.0%*
Severity: MILD
Onset: EARLY
Tired Incidence:
8.0-12.0%*
Severity: MILD
Onset: EARLY
*This is an approximate aggregated range of reported side effects from clinical studies performed on this drug. Your experience with this drug may be different.
Daily Life Interactions for Cardura XL 4mg Extended-Release Tablet

Elements of your daily lifestyle may have an effect on the medications you are taking. Drug interactions can result in unwanted side effects, reduce the effectiveness of your medicine or possibly increase the action of a particular medicine.

Moderate Lifestyle Interaction
Alcohol and Cardura XL 4mg Extended-Release Tablet(Doxazosin Mesylate)
Alcohol and Antihypertensives(Doxazosin Mesylate)
Although an interaction is possible, Ethanol (alchohol) and Antihypertensive Agents (drugs used to reduce high blood pressure) may be used together. Ethanol or alchohol-containing beverages may increase the effects of Antihypertensive Agents on your blood pressure. If the blood pressure drops too low while taking Ethanol and Antihypertensive Agents, you may become dizzy or feel faint. To limit this interaction, avoid alcohol-containing beverages while taking medicines to lower your blood pressure. Do not stand or sit up too quickly. Contact your prescriber if you have dizziness which does not go away.
Pregnancy & Lactation Information
FIRST Trimester

Class C - Animal studies have shown an adverse effect and there are no adequate and well-controlled studies in pregnant women. OR No animal studies have been conducted and there are no adequate and well-controlled studies in pregnant women.

SECOND Trimester

Class C - Animal studies have shown an adverse effect and there are no adequate and well-controlled studies in pregnant women. OR No animal studies have been conducted and there are no adequate and well-controlled studies in pregnant women.

THIRD Trimester

Class C - Animal studies have shown an adverse effect and there are no adequate and well-controlled studies in pregnant women. OR No animal studies have been conducted and there are no adequate and well-controlled studies in pregnant women.

Lactation

Caution - Not enough information is available to rule out harm to infants when this drug is taken by nursing mothers.


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Patient Experiences with Cardura XL

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