Doxazosin 4mg
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| SKU: | 350 |
|---|---|
| Generic For: | Cardura |
| Active Ingredient: | Doxazosin Mesylate |
| Manufacturer: | TEVA, UK |
Buy Doxazosin 4mg (Doxazosin Mesylate) Online
Doxacard
What is Doxazosin Mesylate?
Doxazosin Mesylate is a drug which belongs to a family of drugs called alpha-adrenergic blockers. It is sold under the trade names Cardura, Doxacarad (made by Cipla) among several other brand names that are sold in various countries. Doxazosin Mesylate is prescribed primarily for the treatment of high blood pressure, and to improve urination in men with benign prostatic hyperplasia (enlarged prostate which makes urination difficult). This medicine may also be used for conditions not listed here.
Doxazosin Mesylate medication helps in relaxing the blood vessels (veins and arteries) so that blood can flow smoothly through them without any difficulty. This medicine also relaxes muscles in the prostate and bladder neck, thereby making urination easier in people with enlarged bladder.
Important Information about Doxazosin Mesylate
Doxazosin Mesylate (Cardura, Doxacard) is not recommended for people who are allergic to it, or if they are already taking similar medications like alfuzosin, prazosin, terazosin, silodosin, or tamsulosin. Doxazosin Mesylate is known to affect pupils during cataract surgery. Inform your eye surgeon well in advance that you are taking this medication. Don’t stop if without your surgeon’s advice.
You may experience fainting or giddiness in the initial days of starting Doxazosin Mesylate or when you take it after a long time. This may impact some of your activities like driving which requires much attention and focus so be careful. Don’t stand upright for a long period, exert yourself more during an exercise, or go outside in hot weather. Don’t get up suddenly from a sitting or lying position otherwise you may feel dizzy.
If you have liver disease or a history of prostate cancer, you may need a dose adjustment or special tests to safely take Doxazosin Mesylate. Inform your doctor in advance if you have any of these conditions. Certain drugs may interact with Doxazosin Mesylate. Let your doctor know about all medications which you use currently.
Doxazosin Mesylate is an FDA pregnancy category C drug. It is not known whether this medicine can harm an unborn baby if taken during pregnancy. It is also not known whether Doxazosin Mesylate can pass into breast milk and harm a nursing baby. Consult your doctor before taking Doxazosin Mesylate if any of these cases apply to you.
Before taking Doxazosin Mesylate
Before taking Doxazosin Mesylate (Cardura, Doxacard), take care of all precautions mentioned above. Discuss them with your doctor and clear all doubts which you may have about this drug.
How should I take Doxazosin Mesylate?
Take Doxazosin Mesylate (Cardura, Doxacard) strictly as advised by your doctor. Don’t alter the course of the medication in any way, either by amount or by duration. Your doctor may advise you to change the dose sometimes to ensure proper treatment. All medications come with a patient leaflet. Refer it for more details if you have any doubts, or call your doctor or pharmacist.
Doxazosin Mesylate lowers blood pressure and may lead to dizziness or fainting, especially in the initial period after starting it, or when you restart the medication after a long time. Notify your doctor if you experience severe dizziness, or feel like you may faint.
When you first wake up after taking Doxazosin Mesylate, you may feel very dizzy so take care while standing up from a sitting or lying position. You will be required to get your blood pressure and prostate checked at regular intervals. Don’t forget to visit your doctor regularly.
Some factors can lead to low blood pressure while taking Doxazosin Mesylate like vomiting, diarrhea, heavy sweating, heart disease, low salt diet, heart disease, or taking diuretics (water pills). Let your doctor know if you have an extended period of illness that causes diarrhea or vomiting. Always store Doxazosin Mesylate in a cool and dry place.
What if I miss a dose?
If you miss a dose of Doxazosin Mesylate, take it as soon as you remember it. However, skip the missed dose if the time to take the next dose is near. Don’t take extra medication or two doses near to each other to compensate for the missed dose.
What if I overdose?
Get emergency medical attention or call the Doctor Immediately if you take an overdose of Doxazosin Mesylate and experience serious symptoms which may include severe dizziness and fainting.
What should I avoid while taking Doxazosin Mesylate?
Your thinking capability and reflexes may be impacted after taking Doxazosin Mesylate (Cardura, Doxacard). Be sure not to do an activity that requires greater mental alertness and reflexes like driving. Avoid alcohol as it can increase the likelihood of some side effects of Doxazosin Mesylate.
Don’t stand for a long time or exert more during an exercise otherwise you may feel dizzy. Also, while getting up from a sitting and lying position do it slowly and don’t get up suddenly or you may feel dizzy and might fall as well.
Doxazosin Mesylate Side Effects
Some serious side effects of Doxazosin Mesylate (Cardura, Doxacard) are chest pain (new or deteriorating), feeling like you may faint, fever, nausea, stomach pain, appetite loss, dark urine, clay colored stools, jaundice, or painful and prolonged penis erection that can last for 4 hours or longer. Contact your doctor immediately in case of these conditions.
You may also experience some less serious side effects while taking Doxazosin Mesylate such as mild dizziness, headache, overall weakness, drowsiness, nausea, diarrhea, back pain, dental problems, blurred vision, sleep problems (insomnia), lower libido, abnormal ejaculation, runny nose, sore throat, or cough.
These are not all the side effects which you may notice due to Doxazosin Mesylate intake. There may be others as well.
Doxazosin Mesylate Dosing Information
Doxazosin Mesylate dosage will be decided by your doctor and may differ from patient to patient. Dosage depends of lot of factors like age, sex, seriousness of the condition among several others. Follow your doctor’s instructions.
Interaction with other drugs
Certain drugs can interact with Doxazosin Mesylate (Cardura, Doxacard) such as Sildenafil, Tadalafil, Vardenafil, or other blood pressure medicines, including diuretics.
The list of drugs above which can interact with Doxazosin Mesylate is not a complete one and there may be other drugs which can interact with it. Always consult your doctor before starting a new medication and before stopping or altering the course of any existing ones.
What is Doxazosin 4mg used for?
Doxazosin 4mg is an alpha-1 adrenergic receptor blocker prescribed for moderate hypertension requiring higher dose alpha blockade, and for men with moderate-to-severe H symptoms who have not responded adequately to the 1mg or 2mg dose. At 4mg, Doxazosin provides meaningful blood pressure reduction and significant improvement in urinary flow rates and H symptom scores.
How does the 4mg dose of Doxazosin differ from 1mg and 2mg?
The 4mg dose provides approximately twice the pharmacological effect of 2mg and four times that of 1mg in terms of alpha-1 receptor occupancy. Clinical studies show greater systolic blood pressure reductions and larger improvements in maximum urinary flow rates at 4mg compared to lower doses. However, the risk of orthostatic hypotension and dizziness is proportionally greater. Most patients are titrated to 4mg over four to eight weeks.
What is the correct way to take Doxazosin 4mg?
Take Doxazosin 4mg orally once daily, preferably at bedtime, with or without food. The bedtime recommendation minimises the risk of symptomatic postural hypotension during waking hours. If switching from a lower dose, allow at least one to two weeks at each dose level before increasing. Never take two doses on the same day if a dose is missed.
Can I take Doxazosin 4mg in the morning instead of at night?
While bedtime dosing is standard, some patients may be able to switch to morning dosing once they are established on 4mg and no longer experience significant dizziness. Discuss this with your doctor. Blood pressure profiles and individual tolerance vary — ambulatory blood pressure monitoring may help determine the optimal dosing time for your specific pattern of hypertension.
Is Doxazosin 4mg effective for H in older men?
Yes. Doxazosin 4mg has been shown in large clinical trials (including the ALLHAT trial) to significantly reduce H symptom scores and improve urine flow in older men. It also lowers blood pressure, making it useful in older men with both hypertension and H. However, the ALLHAT trial noted a higher rate of heart failure with Doxazosin compared to chlorthalidone in hypertensive patients with cardiovascular risk, so cardiac assessment is advisable.
Can Doxazosin 4mg be combined with 5-alpha reductase inhibitors?
Yes. Doxazosin 4mg can be combined with 5-alpha reductase inhibitors such as finasteride or dutasteride for H. This combination is known as combination therapy and is recommended for men with larger prostates or more severe symptoms. Doxazosin provides rapid symptom relief, while 5-alpha reductase inhibitors reduce prostate size over six to twelve months, addressing the root cause.
Is Doxazosin 4mg equivalent to Cardura 4mg?
Yes. Doxazosin 4mg and Cardura 4mg are bioequivalent — both contain Doxazosin mesylate 4mg at the same dose. Cardura is the originator brand marketed at premium prices. Doxazosin 4mg generic is available at AllDayChemist at a fraction of the cost, with identical therapeutic outcomes for hypertension and H management.
Why is generic Doxazosin 4mg preferred by many patients over Cardura?
Generic Doxazosin 4mg offers the same clinical benefit as Cardura at significantly lower cost. For long-term conditions like H and hypertension that require indefinite treatment, the cost savings over years are substantial. Regulatory bioequivalence requirements ensure the generic delivers the same drug concentration as Cardura, providing identical outcomes with greater affordability.
Is Doxazosin 4mg available at AllDayChemist?
Yes. AllDayChemist stocks Doxazosin 4mg and ships internationally to the USA, UK, Australia, and over 200 countries. Operating since 2002, AllDayChemist delivers authentic, manufacturer-sourced medicines in discreet, plain packaging. Free shipping is available on qualifying orders. Visit AllDayChemist.com to compare prices and order.
What are the shipping and privacy policies for Doxazosin 4mg at AllDayChemist?
AllDayChemist ships Doxazosin 4mg worldwide in plain, unmarked packaging that gives no indication of the product inside, protecting patient privacy. International orders include tracking. Free shipping is available on orders above the minimum threshold. Orders are typically dispatched within one business day, with delivery timelines varying by destination country.
What side effects should I expect with Doxazosin 4mg?
At 4mg, the most common side effects are dizziness and orthostatic hypotension — particularly when standing up quickly. Fatigue, headache, nasal congestion, and peripheral oedema are also reported. The rate and severity of orthostatic hypotension is higher at 4mg than at lower doses. Patients with volume depletion (from diuretics or low fluid intake) are at greatest risk.
What safety warnings apply to Doxazosin 4mg?
Men planning cataract surgery must inform their ophthalmologist — Doxazosin can cause intraoperative floppy iris syndrome (IFIS), complicating surgery. Do not combine with PDE-5 inhibitors without medical advice due to severe hypotension risk. Avoid driving until you are confident Doxazosin 4mg does not impair your alertness or balance. Keep well hydrated. Report fainting, chest pain, or priapism immediately.
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