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Drug Interactions and Side Effects of Doxazosin

Doxazosin has 26 Side Effects total
13 are Life Threatening
4 Occur Most Frequently
Click for a searchable interactive map of all Side Effects associated with Doxazosin

Uses of Doxazosin
 
USES:
Doxazosin is used alone or in combination with other drugs to treat hypertension (high blood pressure). It works by relaxing blood vessels so blood can flow more easily. Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems.

This medication is also used in men to treat the symptoms of a prostate gland condition called BPH (benign prostatic hyperplasia, also known as enlarged prostate). It does not shrink the prostate, but it works by relaxing the muscles in the bladder neck and prostate. Relaxing these muscles leads to relief of symptoms of BPH such as the feeling of needing to urinate frequently or urgently, weak stream, difficulty in beginning the flow of urine, and the need to urinate during the middle of the night.

Doxazosin belongs to a class of medications called alpha blockers.


Doxazosin has 13 Life Threatening (Critical) Side Effects
 
Critical Seriousness - Abnormal Heart Rhythm - Conduction Disorder of the Heart is a Life Threatening Side Effect of Doxazosin
Critical Seriousness - Blood Pressure Drop Upon Standing - Orthostatic Hypotension is a Life Threatening Side Effect of Doxazosin
Critical Seriousness - Chronic Heart Failure is a Life Threatening Side Effect of Doxazosin
Critical Seriousness - Continued Painful Erection - Priapism is a Life Threatening Side Effect of Doxazosin
Critical Seriousness - Dizzy - Dizziness is a Life Threatening Side Effect of Doxazosin
Critical Seriousness - Fast Heartbeat - Tachyarrhythmia is a Life Threatening Side Effect of Doxazosin
Critical Seriousness - Fluid Retention in the Legs, Feet, Arms or Hands - Peripheral Edema is a Life Threatening Side Effect of Doxazosin
Critical Seriousness - Heart Throbbing or Pounding - Palpitations is a Life Threatening Side Effect of Doxazosin
Critical Seriousness - Hives - Urticaria is a Life Threatening Side Effect of Doxazosin
Critical Seriousness - Intraoperative Floppy Iris Syndrome is a Life Threatening Side Effect of Doxazosin
Critical Seriousness - Problems with Eyesight - Visual Changes is a Life Threatening Side Effect of Doxazosin
Critical Seriousness - Sensation of Spinning or Whirling - Vertigo is a Life Threatening Side Effect of Doxazosin
Critical Seriousness - Trouble Breathing - Dyspnea is a Life Threatening Side Effect of Doxazosin
Click for a searchable interactive map of all Life Threatening Side Effects associated with Doxazosin.

Doxazosin has 4 Most Frequently Occurring Side Effects
 
Dizzy - Dizziness is a Frequently Occurring Side Effect of Doxazosin
Head Pain - Headache Disorder is a Frequently Occurring Side Effect of Doxazosin
Low Energy - Fatigue is a Frequently Occurring Side Effect of Doxazosin
Sensation of Spinning or Whirling - Vertigo is a Frequently Occurring Side Effect of Doxazosin
Click for a searchable interactive map of all Side Effects associated with Doxazosin

Doxazosin Drug-Drug Interactions
 
Doxazosin has interactions of severe seriousness with 0 drug(s):

Doxazosin has interactions of serious seriousness with 0 drug(s).

Doxazosin has interactions of moderate seriousness with 8 drug(s).

Doxazosin has interactions of unknown seriousness with 0 drug(s).

Doxazosin has 11 Condition Contraindications
 
If you have any of these Conditions then you should carefully evaluate the risks of taking Doxazosin.

Doxazosin Oral Contraindications
(grouped by decreasing seriouosness level)

Relative Contraindications 

Fainting - Feeling Faint is a contraindication of Doxazosin.

Priapism - Continued Painful Erection is a contraindication of Doxazosin.

Severe Hepatic Disease - Severe Liver Disease is a contraindication of Doxazosin.

Contraindication Warnings 

Cataract Surgery is a contraindication of Doxazosin.

Chronic Idiopathic Constipation - Chronic Difficulty having a Bowel Movement is a contraindication of Doxazosin.

Disease of Liver - Liver Problems is a contraindication of Doxazosin.

Hypotension - Abnormally Low Blood Pressure is a contraindication of Doxazosin.

Intestinal Stenosis - Narrowing of the Intestines is a contraindication of Doxazosin.

Intraoperative Floppy Iris Syndrome is a contraindication of Doxazosin.

Orthostatic Hypotension - Blood Pressure Drop Upon Standing is a contraindication of Doxazosin.

Pyloroduodenal Obstruction - Narrowing of Opening Between Stomach and Small Intestine is a contraindication of Doxazosin.

Doxazosin has 12 related brands and strengths:
 
Cardura 1 Mg Tab

Cardura 2 Mg Tab

Cardura 4 Mg Tab

Cardura 8 Mg Tab

Cardura Xl 4 Mg 24 Hr Tab

Cardura Xl 8 Mg 24 Hr Tab

Doxazosin 1 Mg Tab

Doxazosin 2 Mg Tab

Doxazosin 4 Mg Tab

Doxazosin 8 Mg Tab

Doxazosin Er 4 Mg 24 Hr Tab

Doxazosin Er 8 Mg 24 Hr Tab

Doxazosin - Symptoms of overdose may include
severe dizziness, fainting, weakness.

Contact poison control
If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly.

IMPORTANT NOTICE: The drug information contained in this application is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not exhaustive and is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment. The display and use of this drug information is subject to express terms of use. By continuing to view the drug information on this site, you agree to abide by such terms of use.
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