We assumes no responsibility or liability for any errors or omissions in the content of this site. The information contained in this site is provided on an "as is" basis with no guarantees of completeness, accuracy, usefulness or timeliness, we try our best to provide you accurate and useful information at our best.

Doxazosin - Usage, Dosage, Side Effects, FAQ's, Reviews

June 29, 2022




Doxazosin is an oral medication used to treat hypertension (high blood pressure) and benign prostatic hyperplasia (BPH). It belongs to a class of drugs called alpha-adrenergic blockers.

Doxazosin works by relaxing the blood vessels and the muscles of the prostate and bladder neck, making it easier to urinate.

Hypertension is a common condition that can lead to serious health problems, such as heart disease, stroke, and kidney failure. BPH is a noncancerous enlargement of the prostate gland that can cause urinary problems.

Doxazosin is usually taken once daily with or without food. The starting dose is 2 mg once daily. Your doctor may increase your dose up to 8 mg once daily, depending on your blood pressure and urinary symptoms.

Common side effects of doxazosin include dizziness, headache, fatigue, and nausea. Doxazosin can cause a drop in blood pressure when you stand up from a sitting or lying position. This may cause you to feel dizzy or lightheaded.

If you experience these side effects, be sure to stand up slowly and avoid sudden movements. Doxazosin may also cause blurred vision and decreased sweating. These side effects are usually temporary and resolve with continued treatment.

Doxazosin is a safe and effective medication for treating hypertension and BPH. It is important to take doxazosin as prescribed and to follow up with your doctor to monitor your blood pressure and urinary symptoms.



Doxazosin mesylate is a white to off-white, crystalline powder that is soluble in water and has a molecular weight of 558.6. It is an α1-adrenergic receptor blocker that is used to treat hypertension and benign prostatic hyperplasia. Doxazosin mesylate is a quaternary ammonium salt with the chemical formula C22H27N3O4S.


Doxazosin is used to treat hypertension (high blood pressure) and benign prostatic hyperplasia (enlarged prostate).

Side Effects

Doxazosin is a medication used to treat hypertension (high blood pressure) and benign prostatic hyperplasia (BPH). The most common side effects of doxazosin are headache, dizziness, lightheadedness, and drowsiness. Other side effects include nausea, vomiting, constipation, diarrhea, and abdominal pain. Doxazosin can also cause low blood pressure, which can lead to fainting.


Some precautions to consider when taking doxazosin include avoiding alcohol and grapefruit juice, as they can increase the level of doxazosin in the blood and increase the risk of side effects. It is also important to take doxazosin exactly as prescribed by a doctor, as missing doses or taking too much can lead to serious side effects.


There is no one-size-fits-all answer to this question, as the suggested dosage of Doxazosin will vary depending on the individual's medical history and current health condition. However, the general recommended dosage for Doxazosin is 4 mg once daily.


Doxazosin should be stored at room temperature, between 68 and 77 degrees F (20 and 25 degrees C).


Doxazosin may interact with other medications, herbs, or vitamins that you are taking. These interactions may increase your risk of side effects or decrease the effectiveness of your medication. Be sure to talk to your healthcare provider about all of the medications, herbs, and supplements you are taking before starting doxazosin.

User Reviews

Reviews of Doxazosin are generally positive, with users praising its effectiveness in treating hypertension and its lack of side effects. Some users report feeling dizzy or lightheaded after taking the medication, but this is typically short-lived and does not appear to be a major concern. Overall, users report satisfaction with Doxazosin and recommend it to others as an effective treatment for high blood pressure.

Frequently Asked Questions (FAQs)

What is miminum age to use "Doxazosin"?

The minimum age to use Doxazosin is 18 years old.

Why should not use "Doxazosin"?

There are a few potential side effects associated with doxazosin, including dizziness, headache, fatigue, and nausea. Additionally, doxazosin may interact with other medications, so it is important to speak with a doctor before starting this medication.

What are alternatives of "Doxazosin"?

Some alternatives to Doxazosin include other blood pressure medications such as ACE inhibitors, calcium channel blockers, and beta blockers.

Is "Doxazosin" bad for health?

There is no definitive answer to this question as the effects of doxazosin on health can vary from person to person. Some people may experience minor side effects such as dizziness or headache, while others may have more serious reactions such as low blood pressure or fainting. It is always advisable to speak to a doctor or healthcare professional before starting any new medication, and they will be able to advise on any potential risks.

What are precautions of "Doxazosin" to take?

Some precautions of Doxazosin include avoiding activities that may increase the risk of hypotension, such as standing for long periods of time or becoming overheated. It is also important to take the medication with food to avoid an upset stomach.

What kind of product is "Doxazosin"?

Doxazosin is a type of blood pressure medication.

How many days "Doxazosin" can be used?

There is no definitive answer to this question as it depends on the individual's response to the medication. However, it is generally recommended that Doxazosin be used for a period of 7-14 days.

How many times "Doxazosin" can be used in a day?

Doxazosin can be used once or twice a day.

Does "Doxazosin" is addictive?

No, "Doxazosin" is not addictive.

Is there any complication for diabetes patients to use "Doxazosin"?

There is no known complication for diabetes patients to use doxazosin.

Is there any complication for patients having heart issues to use "Doxazosin"?

There is a potential for complications for patients with heart issues who use doxazosin. Doxazosin can cause an increase in blood pressure, which can exacerbate heart problems. Additionally, doxazosin can cause dizziness and lightheadedness, which can increase the risk of falls and injuries in patients with heart issues.


Your comment