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 302 163
Post-traumatic stress disorder 171 90
Bladder problems 9 4
Flashbacks 9 6
Night or sleep terrors 8 7
Difficulty sleeping through night 6 4

Show all 40 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 33
Mild 53
None 98

Commonly reported side effects and conditions associated with Prazosin

Side effect Patients
Dizziness 15
Drowsiness 10
Dizziness and feeling faint 7
Lightheadedness 6
Dry mouth 5
Syncope (fainting) 5

Show all 83 reported side effects

Dosages

Based on patients currently taking Prazosin

Dosage Patients
2 mg daily 32
1 mg daily 30
5 mg daily 16
4 mg daily 12
3 mg daily 10
10 mg daily 10
8 mg daily 6
15 mg daily 6
2 mg twice daily 4
1 mg twice daily 3

See all 21 dosages

Why patients stopped taking Prazosin

Multiple reasons could be selected

Reason Patients
Side effects too severe 40
Did not seem to work 25
Doctor's advice 19
Other 10
Change in health plan coverage 5
Course of treatment ended 4
Expense 4
Personal research 4
See all 83 patients who've stopped taking Prazosin

Duration

Currently taking Prazosin

Duration Patients
Less than 1 month 1
1 - 6 months 21
6 months - 1 year 17
1 - 2 years 30
2 - 5 years 52
5 - 10 years 17
10 years or more 7

Stopped taking Prazosin

Duration Patients
Less than 1 month 23
1 - 6 months 25
6 months - 1 year 9
1 - 2 years 11
2 - 5 years 8
5 - 10 years 7
10 years or more 1
Adherence
Adherence Evaluations
Always 159
Usually 27
Sometimes 18
Never taken as prescribed 5
Burden
Burden Evaluations
Very hard to take 6
Somewhat hard to take 18
A little hard to take 37
Not at all hard to take 148
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 3
$50-99 2
$25-49 8
< $25 103
Not specified 93

What people switch to and from

Patients started taking Prazosin after stopping:

Treatment Patients
Trazodone (Desyrel) 5
Clonazepam (Klonopin) 2
Clonidine (Catapres TTS patch) 2
Cyproheptadine (Periactin) 2
Quetiapine (Seroquel) 2

Show all 23 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
Doxazosin (Cardura) 1

Show all 9 treatments patients report switching to

Last updated:

7 patient evaluations for Prazosin

Sep 19, 2017 (Started Jul 01, 2011)

  • Effectiveness
    Slight (for nightmares)
  • Side effects
    Mild (drowsiness)
  • Adherence
    Sometimes
  • Burden
    Very hard to take
Dosage: 10 mg Daily

  • 0 helpful marks

Jun 20, 2017 (Started Jun 12, 2017)

  • Effectiveness
    Can’t tell (for nightmares)
  • Effectiveness
    Can’t tell (for insomnia)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    A little hard to take

  • 0 helpful marks

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
Last updated:
Showing 3 of 7 patient evaluations for Prazosin