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Prazosin Hydrochloride isindicated for the treatment of hypertension. This may be used alone or withother medicines to treat the condition. Lowering high blood pressure helpsprevent heart attacks, stroke, and kidney problems. Hypertension is a long-termforce of the blood against your artery walls. It is high enough that it mayeventually cause health problems. This condition generally develops over manyyears and it affects nearly everyone. Hypertension is also known as high bloodpressure wherein the blood pressure is the force that a person’s blood exertsagainst the walls of their blood vessels. This pressure depends on theresistance of the blood vessels and how hard the heart has to work. Most peoplewith this condition have no signs or symptoms even if blood pressure readingsreach dangerously high levels. A few people with hypertension may haveheadaches, shortness of breath or nosebleeds.
This medication may also be usedto treat Raynaud’s disease and Raynaud’s phenomenon as well as the enlargedprostate gland. The Food and Drug Administration (FDA) has already approvedthis prescription. Prazosin Hydrochloride is supplied as a capsule for oraluse. This is available in the dosage strengths of 1 mg, 2 mg, and 5 mg. Eachcapsule contains Prazosin Hydrochloride as an active ingredient. It is a typeof medicine called an alpha-blocker.
Howdoes Prazosin Hydrochloride work?
In hypertension, Prazosin Hydrochlorideblocks alpha receptors which are found in the muscle in the walls of bloodvessels. It causes the muscles in the blood vessel to relax and the bloodvessel to widen. This lets the blood pass more easily through the blood vesselsand lessens the pressure in the blood vessels.
In Raynaud’s disease and Raynaud’sphenomenon, these conditions are where the arteries supplying blood to thehands and feet go into spasm and narrow. This restricts the blood supply to thefingers and toes that causes them to go cold, pale, and painful. Thismedication widens the blood vessels and so increases the blood flow to thehands and feet. Therefore, Prazosin Hydrochloride relieves the symptoms of thedisease.
In treating enlarged prostategland, this medication blocks the alpha receptors that are also found in themuscle in the prostate gland. This gland is found only in men and lies at thetop of the tube connecting the bladder to the outside. The prostate gland oftenenlarges with advancing age, pressing on the urethra, and obstructing the flowof urine from the bladder. This may cause various urinary symptoms such asdifficulty passing urine. By blocking the receptors in the prostate, this drugcauses the muscle to relax. This allows urine to flow freely past the prostategland and relieves the urinary symptoms of the condition.
Howto use Prazosin Hydrochloride?
The prescribed dosage is based onyour medical condition and response to the treatment. You must take thismedication exactly as it is given by your doctor. You should not take less ormore often than the prescription. Your doctor may direct you to start at alower dose and eventually increase it. Let your doctor know if your conditionworsens or does not improve.
Prazosin Hydrochloride is to betaken by mouth usually two to three times a day or as directed by your doctor.You may take each tablet with or without a meal. If stomach upset occurs, takeit with food. It may take 2 to 4 hours before the full benefit of thismedication takes effect. It is important to continue taking this even if youfeel well. Do not suddenly stop taking Prazosin Hydrochloride without theconsent of your doctor. To help you remember, take it at the same time and inthe same way each day. Swallow the tablet as a whole with a full glass ofwater. Do not break, chew, or crush it. Drink plenty of fluids while havingthis treatment. Doing so may lessen the risk of certain side effects. If youmissed a dose, take it as soon as you remember it. If it is almost time foryour next dose, skip the missed dose and continue your regular dosing schedule.Do not double the dose to make up for the missed dose.
Whatare the side effects of Prazosin Hydrochloride?
Common side effects:
- Weakness or tiredness
- Blurred vision
- Chest pain
- Trouble breathing
- Constipation as your body adjusts to themedication
- Light-headedness or dizziness upon standingespecially after the first dose and shortly after taking a dose during thefirst week of treatment
Call your doctor right away ifthese serious side effects occur:
- Very fast heartbeat
- An erection lasting more than four hours
- Loss of consciousness
Get emergency medical help ifthere are signs of an allergic reaction such as:
- Difficulty breathing
- Swelling of your face, lips, tongue, and throat
- This first dose of this medication may causedizziness or fainting. For this reason, you should take it just before retiringto bed at night. Be careful when moving from lying down to sitting. If you feeldizzy, sit or lie down until the symptoms pass.
- Avoid alcoholic beverages. It may enhance theblood pressure-lowering effect of this drug and may cause dizziness in somepeople.
- Do not operate any machinery while having thismedication. This may cause fatigue.
- During treatment with this medicine, your bloodpressure should be monitored.
- Before having this medication, let your doctorknow if you have any medical history especially of heart problems, kidneydisease, prostate cancer, or certain eye problems.
- Call for medical help and stop taking the drug ifthere are any signs of an overdose.
- Do not share this medicine with others even ifthey have the same symptoms as yours.
- Use this with caution in people with decreasedkidney or liver function, people taking other blood pressure-loweringmedication, and in elderly people.
- This should not be used in children under 12 yearsof age and for people who have heart failure due to a mechanical obstruction ofthe heart.