Information about Prazosin

Prazosin Uses

Prazosin is used in the treatment of Hypertension (high blood pressure) and Heart failure.

How Prazosin works

Prazosin is an alpha blocker. It lowers blood pressure by relaxing blood vessels so that blood can flow more easily through the body.

Common side effects of Prazosin

Dizziness, Headache, Drowsiness, Weakness, Palpitations, Nausea
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MD Pharmacology, MBBS
Last updated
13 Jun 2023 | 11:25 AM (UTC)

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Available Medicine for Prazosin

MinipressPfizer Ltd
502 to ₹6262 variant(s)
PrazopressSun Pharmaceutical Industries Ltd
60 to ₹5254 variant(s)
RenopressLa Renon Healthcare Pvt Ltd
94 to ₹1272 variant(s)
PrazopillIntas Pharmaceuticals Ltd
160 to ₹4043 variant(s)
PrazolinC M R Life Sciences
60 to ₹853 variant(s)
PrazocipCipla Ltd
80 to ₹902 variant(s)
PrazogetMits Healthcare Pvt Ltd
95 to ₹1102 variant(s)
PrazosafeRepens Healthcare India Pvt Ltd
90 to ₹1202 variant(s)
PrazothemAnthem Biopharma
120 to ₹2252 variant(s)
GfrRenauxe Pharma India Pvt Ltd
1091 variant(s)

Expert advice for Prazosin

  • You have been prescribed Prazosin for the treatment of high blood pressure.
  • It may cause sudden drop in your blood pressure, especially when you first start taking this medicine. To lower the chance of feeling dizzy or passing out, rise slowly if you have been sitting or lying down.
  • Do not consume alcohol while taking Prazosin as it may enhance the blood pressure lowering effect of this medicine causing increased dizziness.
  • Be cautious while driving or doing anything that requires concentration as it can cause dizziness and sleepiness.
  • Inform your doctor that you are taking Prazosin if you are scheduled for a cataract surgery.

Frequently asked questions for Prazosin


Q. Is Prazosin a sleeping pill?

No, Prazosin is not a sleeping pill. On the contrary, it may cause difficulty falling asleep as an uncommon side effect of Prazosin. A rare side effect of Prazosin is an increased tendency to fall asleep if you have a sleep disorder (narcolepsy).

Q. Can Prazosin get you high?

No, Prazosin does not get you high. It does not have any abuse potential or any dependence. The common psychiatric side effects of Prazosin include nervousness and depression.

Q. Is Prazosin used for anxiety?

No, Prazosin is not used for anxiety. But, it has been found to be effective in relieving sleep problems related to post-traumatic stress disorder when taken at high doses. Post-traumatic stress disorder is an anxiety disorder which is found in people who experience or witness a traumatic, life-threatening event. This is not an approved use and therefore the benefit versus risks should be first considered by the doctor before prescribing.

Q. How should Prazosin be taken?

Always take this medicine exactly as advised by your doctor. Prazosin should be taken by mouth and can be taken before or after meal and drinks. Usually, it is advised to take the dose two or three times a day at evenly spaced intervals.

Q. What precaution should be followed while taking Prazosin?

Prazosin in certain cases can make you feel lightheaded or weak particularly when you first take it. This can happen when standing up and can occasionally cause fainting. If you feel light-headed or weak after taking the medicine; lie down and try to get up slowly when you feel better. Prazosin is usually started at the lowest possible dose and gradually increased, depending on how you respond to treatment. Do not change the dose or stop taking the tablets without first checking with your doctor.

Q. How long do I need to take Prazosin?

Your doctor will decide the duration of treatment based on the condition you are being treated for. For instance, if you are being treated for high blood pressure then you may have to take it life long.

Q. What class of drug is Prazosin?

Prazosin belongs to a class of medications called alpha-blockers. It works by relaxing the blood vessels so that blood can flow more easily through the body.


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