What is Prazosin?

Category: Prescription Drugs

Most popular types: Minipress Perazosin HCL Pressin

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Prazosin is commonly used in the treatment of hypertension, nightmares related to post-traumatic stress disorder (PTSD), benign prostatic hyperplasia, or Raynaud's syndrome.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Nightmares 325 173
Post-traumatic stress disorder 189 96
Bladder problems 9 4
Flashbacks 9 6
Night or sleep terrors 8 7
Complex post-traumatic stress disorder 7 3

Show all 73 reasons taken


  • Major
  • Moderate
  • Slight
  • None
  • Can't tell

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations
Severe 25
Moderate 34
Mild 58
None 104

Commonly reported side effects and conditions associated with Prazosin

Side effect Patients
Dizziness 16
Drowsiness 10
Fainting 6
Lightheadedness 6
Dry mouth 5
Blood pressure decreased 4

Show all 77 reported side effects

Dosages

Based on patients currently taking Prazosin

Dosage Patients
1 mg daily 29
2 mg daily 28
5 mg daily 15
4 mg daily 12
3 mg daily 8
10 mg daily 7
2 mg twice daily 6
8 mg daily 3
15 mg daily 3
1 mg one time 1

See all 23 dosages

Why patients stopped taking Prazosin

Multiple reasons could be selected

Reason Patients
Side effects too severe 42
Did not seem to work 28
Doctor's advice 22
Other 12
Change in health plan coverage 6
Course of treatment ended 5
Expense 5
Personal research 4
See all 92 patients who've stopped taking Prazosin

Duration

Currently taking Prazosin

Duration Patients
Less than 1 month 1
1 - 6 months 8
6 months - 1 year 10
1 - 2 years 28
2 - 5 years 46
5 - 10 years 27
10 years or more 5

Stopped taking Prazosin

Duration Patients
Less than 1 month 23
1 - 6 months 27
6 months - 1 year 11
1 - 2 years 12
2 - 5 years 10
5 - 10 years 8
10 years or more 2
Adherence
Adherence Evaluations
Always 167
Usually 31
Sometimes 18
Never taken as prescribed 5
Burden
Burden Evaluations
Very hard to take 6
Somewhat hard to take 20
A little hard to take 40
Not at all hard to take 155
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 3
$50-99 2
$25-49 8
< $25 110
Not specified 98

What people switch to and from

Patients started taking Prazosin after stopping:

Treatment Patients
Trazodone (Desyrel) 6
Zolpidem (Ambien) 3
Clonazepam (Klonopin) 2
Clonidine (Catapres TTS patch) 2
Cyproheptadine (Periactin) 2

Show all 22 treatments patients report switching from

Patients stopped taking Prazosin and switched to:

Treatment Patients
Trazodone (Desyrel) 5
Sertraline (Zoloft) 4
Cyproheptadine (Periactin) 3
Clonidine (Catapres TTS patch) 2
Fluoxetine (Prozac) 2

Show all 10 treatments patients report switching to

Last updated:

8 patient evaluations for Prazosin

Jun 8, 2015 (Started Jul 01, 2009)

  • Effectiveness
    None (for post-traumatic stress disorder)
  • Effectiveness
    None (for nightmares)
  • Effectiveness
    None (for complex post-traumatic stress disorder)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take

  • 0 helpful marks

Jun 13, 2013 (Started Jan 28, 2013)

  • Effectiveness
    Moderate (for post-traumatic stress disorder)
  • Effectiveness
    Major (for nightmares)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 2 mg Daily
Advice & Tips: I stopped worrying about going to sleep. Then life changes made it so that I no longer had to worry (subconsciously) about being alone and vulnerable at night.
Cost: < $25 monthly

  • 0 helpful marks

Jan 8, 2010 (Started Aug 28, 2008)

  • Effectiveness
    Slight (for pain)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Daily
Cost: $25-49 monthly

Aug 18, 2009 (Started Aug 28, 2008)

  • Effectiveness
    Moderate (for pain)
  • Side effects
    None
  • Adherence
    Sometimes
  • Burden
    Not at all hard to take
Dosage: 1 mg Daily
Cost: $25-49 monthly

Jul 1, 2009 (Started Aug 28, 2008)

  • Effectiveness
    Moderate (for pain)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Daily
Cost: $25-49 monthly

Apr 11, 2009 (Started Aug 28, 2008)

  • Effectiveness
    Moderate (for pain)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Daily
Cost: $25-49 monthly

Oct 15, 2008 (Started Aug 28, 2008)

  • Effectiveness
    Moderate (for pain)
  • Side effects
    None
  • Adherence
    Usually
  • Burden
    Not at all hard to take
Dosage: 1 mg Daily
Advice & Tips: I take them as needed.I try to not take if I'm not hurting.
Cost: $25-49 monthly

  • 0 helpful marks
Last updated:
Showing 3 of 8 patient evaluations for Prazosin