Prazosin is utilized with or without other medications to deal with hypertension. Lowering hypertension stops strokes, cardiac arrest, and kidney problems.
Prazosin belongs to a class of medications called alpha blockers. It works by relaxing and widening blood vessels so blood can flow quicker.
OTHER USES: This section contains uses of the drug that aren't listed in the approved professional labeling for the drug but that could be prescribed because of your health care professional. Use this drug for the condition which is classified by this as long as it's been so prescribed through your health care professional.
This drug could also be used to treat certain blood flow disorders (Raynaud's phenomenon). Prazosin could also be used to take care of problems urinating as a result of an enlarged prostate (benign prostatic hyperplasia) or to help one's body "pass," or do away with, kidney stones through urination.
Take prescription drugs by mouth with or without food, usually 2 or 3 times daily or as directed from your doctor. If stomach upset occurs, take with food or milk. The dosage is founded on how old you are, problem and response to therapy.
Prazosin can occasionally cause sudden fainting after the first dose and anytime that your dose is increased. To reduce your likelihood of fainting, the first dose prescribed by your doctor will be the smallest dose available. You should take this first dose when you are sleeping. This will reduce the chance for fainting. Your dose may be gradually increased. Take your first new dose at night whenever your dose is increased unless directed otherwise by your doctor.
Use prescription drugs regularly to acheive the most make use of it. To help you remember, take it as well(s) daily. If you are taking prescription drugs for blood pressure, you should continue taking it even if you feel well. Most people with hypertension usually do not feel sick. It may take around a few months prior to the full benefit with this drug takes effect.
Do not stop taking prescription drugs without first consulting your doctor. Some conditions can become worse once the drug is abruptly stopped. Your dose may need to be gradually decreased.
Tell your doctor if your condition worsens (such as your routine blood pressure readings increase).
Headache, drowsiness, tiredness, weakness, blurred vision, nausea, vomiting, diarrhea, or constipation may occur as one's body adjusts to the medication. If these effects persist or worsen, tell your medical professional or pharmacist promptly.
Lightheadedness or dizziness upon standing can also occur, especially following the first dose and very soon after going for a dose in the drug during the initial week of treatment. To lessen the probability of dizziness and fainting, get out of bed slowly when rising from a seated or lying position. If dizziness occurs, sit or lay down right away. Your dose ought to be adjusted.
Remember your doctor has prescribed this medication as he or she gets judged that the help to you is more than the likelihood of negative effects. Many people using prescription drugs tend not to have serious unwanted side effects.
Tell your medical professional straight away if all of these unlikely but serious unwanted side effects occur: pounding heartbeat, fainting, frequent urination, mental/mood changes (such as depression), swelling of the feet/ankles.
For males, within the most unlikely event you have a painful, prolonged erection (lasting greater than 4 hours), stop applying this drug and seek immediate medical help, or permanent problems could occur.
A serious allergic reaction to this drug is rare. However, seek immediate medical attention you may notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially in the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible negative effects. If you notice other effects unlisted above, contact your doctor or pharmacist.
In the US -
Call your physician for medical advice about unwanted side effects. You may report unwanted effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your doctor for medical advice about unwanted effects. You may report unwanted effects to Health Canada at 1-866-234-2345.
Before taking prazosin, tell your medical professional or pharmacist in case you are allergic to it; or to other alpha blockers (for example doxazosin, terazosin); or if you have some other allergies. This product might have inactive ingredients, which can cause hypersensitive reactions and other problems. Talk to your pharmacist for more details.
Before using medicines, tell your doctor or pharmacist your health background, especially of: cardiovascular disease (for example low blood pressure), kidney disease, uncontrolled attacks of deep sleep (narcolepsy), cancer of prostate, certain eye problems (cataracts, glaucoma).
This drug could make you dizzy or drowsy or cause blurred vision. Do not drive, use machinery, or go activity that will need alertness or clear vision and soon you are sure you are able to perform such activities safely. Do not drive or participate in hazardous activities all day and night after the first dose, any surge in your dosage, or restarting treatment. If your physician prescribes any other blood pressure level drugs, avoid driving and hazardous activities all day and night after your first dose in the new medication. Limit alcoholic beverages.
To slow up the probability of dizziness and fainting, be careful when standing for very long stretches. Avoid getting overheated during exercise and warm weather. When starting this drug, avoid situations where you could possibly be injured if you faint.
Before having surgery (including cataract/glaucoma eye surgery), tell your physician or dentist if you're taking or have ever taken prescription drugs, and about other products you have (including prescription medications, nonprescription drugs, and herbal products).
Older adults could possibly be more sensitive to the negative effects of this drug, especially dizziness and fainting. These unwanted side effects can raise the probability of falling.
During pregnancy, prescription drugs needs to be used only once clearly needed. Discuss the hazards and benefits with your medical professional.
Prazosin passes into breast milk. Consult your physician before breast-feeding.
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