Skip to Content

User Reviews for Doxazosin

Also known as: Cardura, Cardura XL, Doxadura, Cascor, Carduran

Doxazosin has an average rating of 6.5 out of 10 from a total of 42 ratings on Drugs.com. 49% of those users who reviewed Doxazosin reported a positive effect, while 19% reported a negative effect.

Condition Avg. Rating Reviews Compare
Benign Prostatic Hyperplasia  
7.4
22 reviews 15 medications
High Blood Pressure  
5.5
20 reviews 266 medications
Summary of Doxazosin reviews 6.5 42 reviews

Reviews may be moderated or edited before publication to correct grammar and spelling or to remove inappropriate language and content. Reviews that appear to be created by parties with a vested interest in the medication will not be published. As reviews and ratings are subjective and self-reported, this information should not be used as the basis for any statistical analysis or scientific studies.

Reviews for Doxazosin

kingy · Taken for 6 months to 1 year October 6, 2020

For High Blood Pressure: “On doxazosin I had 1 early episode of dizziness but ok now. Lisinapril gave me a bad cough as did Losarten.”

9 / 10
Dave · Taken for 1 to 6 months August 16, 2020

For Benign Prostatic Hyperplasia: “doxazosin was effective in relieving BHP symptoms, but suffered from many side effects. Retrograde ejaculation, extreme fatigue, dizziness, constipation. Brutal side effects. Just switched to Alfusozin. Hope that works better.”

4 / 10
K.S.L. · Taken for 1 to 6 months May 30, 2020

For High Blood Pressure: “I had been taking tamsulosin for BPH and when my blood pressure got too high, I switched to doxazosin. I have reacted very very badly to a beta blocker in the past but have had no trouble with alpha blockers. The dose is up to 4 mg. twice a day and I have no obvious side effects. My BP is still a little higher than my doctor likes but lower than it was, and the BPH remains under control.”

7 / 10
Tex · Taken for less than 1 month August 4, 2019

For High Blood Pressure: “My husband was prescribed 4 mg Doxazosin to hopefully reduce the number of trips to the bathroom as well as lowering the blood pressure. It was prescribed in place of the HCTZ that was lowering the Creatinine levels and it was to be taken along with the Metoprolol he had been taking for 2 years. The side effects listed for Doxazosin in the info given by the pharmacy were very generic and no specific warnings were listed on the bottle other than possible impairments while driving. No specific instructions were given by the doctor or pharmacist and it said "take one a day" on the bottle. He was a healthy 150 lbs. 78 year old swimming a mile three days a week at the local gym. On the day he started taking Doxazosin he had a fainting or nearly fainting spell within 45 minutes that resulted in a deadly ground level fall fracturing the skull and closed brain injuries. He died hours later. Please be careful and avoid taking this medication.”

1 / 10
Morty · Taken for less than 1 month May 19, 2020

For High Blood Pressure: “Intolerable side effects from doxazosin of weakness, depression (on antidepressants but this drug has worsened my condition). Blurred vision, headaches, right side stomach pain ,insomnia. I am 86yrs of age and my life is miserable on this drug.”

1 / 10
cmklein · Taken for 1 to 2 years April 27, 2018

For High Blood Pressure: “I am on 2mg of Doxasozin and it seems to reduce my blood pressure. Side effects are horrendous though. Exhaustion like you have the flu or are approaching end of life. When I first started on them I couldn't even walk from my car to my office without feeling like I was about to collapse and breathless. I know for sure it is them as I have come off them myself several times and I am back to normal.”

3 / 10
Anonymous March 26, 2008

Cardura (doxazosin) for High Blood Pressure: “Took 1 8mg Cardura daily. Experienced dizziness and nausea for the first 3 days but later adjusted to the medication and maintained pressure around 120/80. On doctor's advise, Cardura discontinued and replaced with alternative medication due to excessively fast pulse/heart rate up to 100/s after 6 months on Cardura”

5 / 10
Anonymous August 8, 2011

Cardura (doxazosin) for Benign Prostatic Hyperplasia: “I originally began doxazosin 4mg for blood pressure many years ago. Over the years I needed additional medicines for blood pressure but continued taking doxazosin 4mg twice a day. I had been told that it would be helpful in maintaining urine flow. Not long ago I began taking Proscar. I thought that the Cardura would no longer be needed so I stopped. Within 2-3 days there was a definite reduction in urine flow. I repeated the off, then on again routine 3 times with the same rather dramatic results. I will continue with the doxazosin. PS: I have never noticed side effects at all.”

9 / 10
bob · Taken for less than 1 month January 23, 2020

For High Blood Pressure: “Have had high blood pressure for a number of years, now 68 been on labetalol 200mg 2x day and enalapril 10 mg 2x day, have high epinephrine, metanephrine, endo doc switched med to doxazosin 4mg at night. I have taken it for only 2 days pulse went up 120 and blood pressure went up, not down. I'm still on enalapril dose, feel dizzy sick to stomach and headache mostly in the back of head, doc talks about raising doxazosin to 8mg no way, am 155 lbs 5'9'”

1 / 10
Brad · Taken for 1 to 2 years July 4, 2019

For High Blood Pressure: “I have been on doxazosin for over a year now, along with a few other prescriptions for my high blood pressure and kidneys. The doctor prescribed 4 mg twice a day. It works pretty well at reducing my blood pressure, but has some terrible side effects. I completely lost my drive for sex, which is usually very strong. In addition, it caused “retrograde ejaculation” (no semen on orgasm). I found that unacceptable, so I reduced my dosage to 4mg on Monday, Wednesday and Friday. My blood pressure has gotten worse, but my libido and ejaculation has returned to normal. Got to go back and see doctor, try to find a new medication, but I am running out of options. I hate this drug.”

4 / 10
dianesaffron October 23, 2013

For High Blood Pressure: “doctor started me on 4mg straight away which caused bad side effects. instructions say start at 1mg so i am trying that. also wasnt told by doctor to take at night so i will see if that helps. so far not happy anyone else had problems? i thought i'd pass out in town centre not good.”

5 / 10
UK · Taken for 2 to 5 years October 8, 2019

For High Blood Pressure: “Started with 4mg doxazosin + 2mg bendroflumethiazide. BP not under control. Over the years the dosage of doxazosin was increased to 2x4mg in the morning taken with 1 Bendro and then another 4mg of Dox at night. I don't feel dizzy but have shortness of breath, sometimes think I forget to breathe (?), feeling of anxiousness in my chest, which eases off a little with deep breaths. Out and about during the day I feel fine. The shortness of breathe/ anxiety is noticeable when resting.”

4 / 10
dal88 · Taken for 2 to 5 years October 31, 2013

Cardura XL (doxazosin) for Benign Prostatic Hyperplasia: “Used Cardura XL on/off for several years now and more regularly recently. Wanted new prescription after moving to Europe, however doctor didn't now the product and recommended as alternative Tamsulosin (Pradif T) which did not provide any relieve with urinating especially at night (blocked). Switched back to my remaining Cardura XL and found equivalent product in Europe called Cardura CR. Just perfect flow, day and night! No side effects.”

10 / 10
Fuego July 29, 2018

For High Blood Pressure: “Have been prescribed 1mg daily now on it for four days. Having some dizziness but not too bad. This only started yesterday and does wear off. Anyone help with how long this is likely to last before it settles?”

6 / 10
Sagebrush January 20, 2017

For High Blood Pressure: “Started on 1mg dose after being prescribed 2mg. I have trust issues with any med, blood pressure ok . Been taking it a month. Eyes are red and swollen, sex drive is about half what it was, having trouble getting erection, I sleep better but not worth the other side effects. Weight gain also. No more for me! I'm not happy.”

6 / 10
Edwyn · Taken for 10 years or more November 26, 2016

Cardura XL (doxazosin) for Benign Prostatic Hyperplasia: “I have been taking Cardura for 15 years along with a good OTC prostate formula med. My BPH has been under control. This year I developed ringing in my ears, it came on slowly but then all the time.. I went to several ENT doctors , and my own general guy and a few other MD's and the all said it was normal for some one my age, and the meds I was on deff could not be causing the ringing. I had test after test and the ALL said "get use to it" it happens to men my age(67). Will I am on a few meds so I tried to eliminate one by one just for a while to see if it made a difference. When I got to the Cardura it was like a switch. It went away after 5 days off the drug. I would say 90%. Now if I take one Cardura pill, it comes back immediately.”

2 / 10
Ben K · Taken for 1 to 2 years September 15, 2019

For Benign Prostatic Hyperplasia: “Doxazosin has been excellent for decreasing night time bathroom trips from around 4 to one. But it has caused heart palpitations and raised my pulse rate from around 55 to 68. Also made me made me mentally and physically sluggish over time so discontinued use.”

8 / 10
TIm S. April 29, 2016

For Benign Prostatic Hyperplasia: “Was prescribed this by my urologist to help with BPH after trying Flomax and hating the retrograde ejaculation. He told me it would also help with my blood pressure that was slowly getting higher. What a difference. Very few night time trips to the toilet. My B/P is perfect. And I also noticed a nice side effect that isn't listed- it helps with my erectile dysfunction. No priapisms, but I found that I could maintain an erection better than I had in years. I prefer to take mine in the afternoon, so I have that effect in the evening, when it is most needed. Not a substitute for my Viagra, but since I can only afford so many of them a month, it's nice to have any help with the issue. With all of those benefits, you just can't go wrong”

10 / 10
Mick Finn July 6, 2011

For Benign Prostatic Hyperplasia: “While taking this medication, I suffered from all of the side effects, except from the long or painful erection. I had trouble sleeping, agitated, and irritable. I thought maybe it was due to my chemical imbalance, which it may have been, but those symptoms were exacerbated by this drug to the point of continued stress and disquiet behavior. Other symptoms include tightness in the chest resembling asthma symptoms or bronchial distress to the sinus problems mention in the side effects.”

1 / 10
rozza March 12, 2010

Cardura XL (doxazosin) for Benign Prostatic Hyperplasia: “This named drug is prescribed normally in Spain and France usually packeted as Carduran I have used it for ten years but can not get it in Australia it was very effective at reducing levels of PSA....”

10 / 10
Anonymous July 14, 2011

For High Blood Pressure: “It works better than any other blood pressure medicine I have taken and I have taken many including 3 more that I take beside the doxazosin. I take the doxazosin at night or break it in half and take it in the afternoon if my pressure is running high. It dose not work at all for me regarding prostate issues.”

10 / 10
Salonion February 8, 2017

For Benign Prostatic Hyperplasia: “Took Cardura for two years the developed ringing in my ears. As soon as I stop taking it it went away. Very good drug for BPH but not worth the ringing in the ears. Waiting for a med that does not have this side effect. MD said all have one side effect or another.”

8 / 10
mbs83 · Taken for less than 1 month August 17, 2015

For High Blood Pressure: “Switched from a non-selective beta blocker for treatment of Complex Post Traumatic Stress Disorder due to infant adoption. Doctor started me at 4mg, but I blacked out upon getting out of bed three days later. I had the prescription lowered to 1mg, but am taking half now and it is highly effective with virtually no side effects for me. No more PTSD-related nightmares due to the longer half-life, and very little hypervigilance. I am also able to be more physically active now than with a beta blocker, which is great.”

10 / 10
diecasts4u · Taken for 1 to 6 months February 17, 2015

Cardura (doxazosin) for Benign Prostatic Hyperplasia: “I started with 2 mg and went to 4 mg. Within a few days I started diarrhea. Doctor couldn't give a reason. Went back to 2 mg and still had it. I found the answer in the side effects. I am now on 1 mg with no problem.”

9 / 10
omega2498 · Taken for 2 to 5 years July 14, 2016

For High Blood Pressure: “I had radio therapy for testicular cancer in 1977 - aged 30. A camera revealed scarring to my bladder neck in about 2005, and telangectasia (spelling may be wrong). Doxazosin initially prescribed for persistent high blood pressure reasons at 2 mg, but recently raised to 4 then 8 mg per day. Higher doses maybe cause a pounding heart for 1 to 3 hours after waking - not nice. Also a dry mouth and nasal congestion. But urine flow much better when taking the drug. I should also mention that I have various allergies.”

5 / 10
Anonymous September 13, 2010

For Benign Prostatic Hyperplasia: “Used for about 2 weeks, ramped up dosage from 1mg 1st week to 2mg 2nd week (final dosage was to be 4mg). Had a rash with associated itching (initially thought it was Poison Ivy) appeared about 3 days after treatment started and became severe during second week. Still waiting for rash to completely go away 1 week after stopping treatment. Did help to improve urine flow and reduced urgency feelings I was having about every 2 hours to about 6 hours. I could sleep through the night! No other noticeable side effects.”

4 / 10
T Pot July 6, 2019

For Benign Prostatic Hyperplasia: “I started on this drug doxazosin 4mg for frequent trips to the bathroom and to treat high BP. I have been taking this for around 3 or 4 years and still had to get up around 4 times a night, my BP was also still high and I had most of the side effects mentioned here. After many visits to the doctor he eventually agreed for me to have a sleep study, for which I was diagnosed severe sleep apnoea!!! I have been using CPAP therapy for around 1 month now and now I no longer need to get up at all, I no longer take Doxasozin and sleep soundly every night. Worth getting checked as you might be getting the wrong treatment.”

5 / 10
BadBoy2 October 13, 2016

For Benign Prostatic Hyperplasia: “I started on 1 mg for a couple of days, then 2 mg for a couple of days. I was on 4 meg only 4 days and 8 meg for just two. At that point, I was so dizzy I could barely drive. I was actually getting motion sickness as a driver, and I drive probably 25,000 miles a year. I could actually feel my prostate shrink, but had some horrible side-effects. My semen dried up to nothing, and as far as ejaculating during sex--forget it. I took the drug only a total of two weeks, and I've been off it for 10 days, and still can't get an erection. Fortunately, the dizziness cleared up after about 3-4 days after stopping. I can't find any documentation at all to show how long the drug persists in the average person.”

7 / 10

This information is NOT intended to endorse any particular medication. While these reviews might be helpful, they are not a substitute for the expertise, knowledge and judgement of healthcare practitioners.