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Doxazosin
Doxazosin is a medication that belongs to the class of drugs known as alpha-blockers. It is commonly used to treat certain health conditions related to blood pressure and the urinary system.
This medication helps in managing symptoms by relaxing blood vessels and muscles around the bladder and prostate.
Information about Doxazosin
Doxazosin Uses
Doxazosin is typically prescribed for managing specific health conditions. It can be beneficial in the following cases:
- High blood pressure (hypertension)
- Benign prostatic hyperplasia (BPH)
- Urinary retention associated with BPH
How Doxazosin Works
Doxazosin works by blocking alpha-1 receptors in the body. This action relaxes blood vessels, leading to a decrease in blood pressure.
For men with BPH, it helps relax muscles in the bladder and prostate, improving urine flow and reducing symptoms.
By targeting specific receptors, it aids in the smooth functioning of the urinary and cardiovascular systems.
Common side effects of Doxazosin
Not everyone experiences side effects with Doxazosin, and many are mild and temporary. Common side effects include:
- Dizziness
- Fatigue
- Headache
- Swelling in the legs or ankles
- Shortness of breath
- Nausea
- Runny or stuffy nose
If you experience serious or persistent symptoms, it’s important to contact your doctor.
CONTENT DETAILS
Written By
Douglas C. Goldberg, MD
Reviewed By
Philip Schein, MD
Last updated
28 Nov 2025 | 03:00 PM (UTC)
Medicine brands for Doxazosin
- DoxazosinDosage: 1 mg, 2 mg, 4 mgfrom $34.0017 variant(s)
- CarduraDosage: 1mg, 2mg, 4mgfrom $32.0017 variant(s)
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Expert advice for Doxazosin
- Avoid standing up too quickly from a sitting or lying position to prevent dizziness.
- Limit alcohol consumption while taking this medication.
- Inform your doctor if you have any liver or kidney issues.
- Be cautious when driving or operating machinery until you know how Doxazosin affects you.
- Regularly monitor your blood pressure as advised by your healthcare provider.
Always consult your doctor for personalized advice and before making any changes to your medication regimen.
Frequently Asked Questions
What is Doxazosin used for?
Doxazosin is used to treat high blood pressure and symptoms of benign prostatic hyperplasia (BPH).
How long does it take for Doxazosin to work?
The effects of Doxazosin can be noticed within a few hours, but it may take a few weeks to see the full benefits.
Can I drink alcohol while taking Doxazosin?
It’s advisable to limit alcohol intake as it can enhance the blood pressure-lowering effects and increase the risk of dizziness.
Are there any foods or drinks I should avoid while on Doxazosin?
There are no specific foods to avoid, but it’s best to follow a balanced diet and consult your doctor for personalized advice.
Can Doxazosin be taken during pregnancy?
If you are pregnant or planning to become pregnant, discuss with your doctor whether Doxazosin is appropriate for you.