Cardura is the brand name of a medication called doxazosin. This is a medication that’s classified as an alpha-1 adrenergic blocker that is in the general drug classification antihypertensives. It’s available as Cardura and Cardura XL, an extended-release tablet. Both forms of this medication are used to treat benign prostatic hyperplasia, a prostate enlargement also called BHP. The regular tablet version of the drug is also used to treat high blood pressure, though the XL form shouldn’t be used for this purpose.

This medication is used to relax the arteries and veins to allow blood to pass through them more easily. When you can relax the blood vessels with this medication, this will lower blood pressure. It can also make it easier to urinate by relaxing the muscles located in the bladder neck and prostate. This is important when there is a prostate enlargement that makes it harder to urinate.

When a patient has high blood pressure, this makes the arteries and heart work harder. After a while of working harder, they may stop functioning as well as they did before. This can cause blood vessel damage in the kidneys, heart, and brain. This can lead to kidney failure, heart failure, or strokes as well as heart attacks. If blood pressure is kept under good control, the patient isn’t as likely to have one of these health problems or events.

Precautions and Warnings of Cardura

If you have a lot of sensitivity to doxazosin or are allergic to it, tell your doctor right away. You shouldn’t use it if you’ve ever experienced an allergic reaction to it, and you should stop using it if you get such a reaction. If you’ve ever had a reaction to similar drugs such as Minipress and Flomax, make sure your doctor knows.

Before you drive while on this medication, find out how it affects you. It can cause dizziness and even fainting when you first begin to take it. Don’t stand up for extended periods of time, and don’t get overheated when you exercise or when the weather is hot. If you’re getting up from a lying or sitting position, don’t do it too quickly or you may get dizzy.

Cardura can cause your pupils to be affected, so if you’re going to get eye surgery, the surgeon needs to know you’re taking it. Unless the surgeon says to stop taking the medication, keep taking it. If you go off this medication and want to restart it, let your doctor know. You may need to have a lower dosage to start again with.

If you’re pregnant, it’s unknown whether this medication can cause harm to the baby. Let your doctor know if you’re pregnant or there’s a possibility that you might become pregnant. It’s also unknown whether Cardura is present in breast milk or whether breastfeeding can harm a baby. It’s not recommended to use this medication while breastfeeding.

Because this medication can cause dizziness, it’s recommended that patients not use cannabis or alcohol while taking it. These can make the dizziness and lightheadedness worse.

There are a number of conditions that you need to tell your doctor about before you take this medication. Patients with these conditions may need to find a different medication to use, or they may need to be monitored closely while taking Cardura. These conditions include:

  • Liver disease
  • Prostate cancer
  • Recent cerebrovascular accidents
  • Blockages in the stomach or intestines
  • Low blood pressure
  • Serious constipation
  • Having eye surgery
  • Pregnant
  • Breastfeeding

Cardura Side Effects

There are a lot of side effects that are possible when you take Cardura. Many of them are mild and may go away after a few weeks.

Common Side Effects

Some of the most common side effects of Cardura include:

  • Fatigue
  • Drowsiness
  • Headaches
  • Lightheadedness
  • Dizziness
  • Abdominal pain
  • Runny nose
  • Low blood pressure
  • Nausea
  • Weight gain
  • Diarrhea
  • Swelling

Rare Side Effects

Tell your doctor if you have any side effects that bother you or that don’t go away. There are also less common side effects that can be more serious. You need to inform your doctor if you have any of these, including:

  • Weakness
  • Swelling in the feet or hands
  • Fainting
  • Shortness of breath
  • Yellowing of the skin or eyes
  • Fever
  • Sore throat that is persistent
  • Easily bruising or bleeding
  • Dark urine

Serious Side Effects

If you have any of these side effects, you may need emergency medical attention:

  • Trouble breathing
  • A painful erection or one that lasts at least four hours
  • New chest pain or worsening chest pain
  • Being so lightheaded that you may pass out
  • Stomach pain or bloating that’s severe
  • Eye problems like blurry vision, sudden loss of vision, eye swelling, eye pain, tunnel vision, or seeing halos appear around various lights
  • Heart problems like a pounding or irregular heartbeat, a fluttering feeling in the chest, sudden dizziness, and passing out
  • Serious headaches, slurred speech, loss of coordination, tremors, difficulty walking, confusion, profuse sweating, stiff muscles, or high fever

Cardura Drug Interactions

There are some drugs that you should avoid when you’re taking Cardura, and there are some that the doctor may want to monitor if you take along with Cardura. Make sure you tell your doctor everything you take, even if it’s an herbal supplement or over-the-counter medication. Some of the medications that can interact poorly with Cardura include:

Strengths and Dosages of Cardura

This medication comes in several strengths. It’s available in tablet form. It comes in strengths of 1 mg, 2 mg, 4 mg, 8 mg. There are also extended release tablets that come in 4 mg and 8 mg strengths.

Tablets:1 mg, 2 mg, 4 mg, 8 mg
Extended-release tablets:4 mg, 8 mg

Cost of Cardura in America

The price of the medication that you get depends on the strength and type of the tablets you get. The extended-release tablets that are 8 mg sell for about $240 for 30. Regular Cardura that’s in the 1 mg strength costs about $645 for a supply of 100. The price you pay can be lowered if you get a coupon card. These are free and available in most pharmacies. If you have health insurance, this is also a way to pay less for your prescription.

Cardura Alternatives

There are other drugs that can be used in place of Cardura as decided by your doctor. These include Amlodipine, Lisinopril, Flomax and Finasteride.

FAQs About Cardura

What is Cardura prescribed for?

It’s prescribed to treat high blood pressure and benign prostatic hyperplasia. The extended-release version is only for treating benign prostatic hyperplasia.

What does the extended-release version do?

Cardura XL is a tablet that releases medication slowly over the entire day.

Can you drink alcohol while taking Cardura?

It’s recommended that you don’t drink alcohol, or use cannabis, while you’re on this medication. The medication can cause dizziness and lightheadedness, and these substances can make it worse.

Can you take Cardura while pregnant?

It isn’t known whether this medication can harm a baby, so it generally isn’t recommended for use during pregnancy. It should also not be used while breastfeeding.

Are there generics of this medication?

There are generics of Cardura. These are called doxazosin.

Will this help with the symptoms of high blood pressure?

Usually, high blood pressure has no symptoms. The main use of this medication is to lower the blood pressure rather than to treat symptoms.

How does this medication work?

Cardura acts on the arteries and other blood vessels to cause them to relax. This lowers the blood pressure as blood will flow more easily with the vessels relaxed. It also relaxes the muscles of the prostate and bladder neck to help those with an enlarged prostate to be able to urinate more easily.

Can you take this medication if you have prostate cancer?

Generally, it’s not to be used in patients with prostate cancer. It’s instead used on prostate enlargement that’s benign.

Can I get cataract surgery while on this medication?

This medication can cause changes to the pupils, so your surgeon may want you to stop taking it before you get this surgery.

Can you drive while taking this medication?

It’s important to wait after you first take Cardura to see how it affects you before you drive. It can cause dizziness and lightheadedness in some patients.

IMPORTANT NOTE: The information provided here is for educational purposes only and is not intended to serve as medical advice, diagnosis, or treatment recommendations. It should not be taken as an endorsement of any specific medication or treatment. Individual health conditions and responses to treatment can vary greatly; therefore, this information should not be seen as a guarantee of safety, suitability, or effectiveness for any particular individual. Always consult with a healthcare professional for personalized medical advice and before making any decisions regarding your health or treatment plans.

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