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 318 168
Post-traumatic stress disorder 181 94
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 33
Mild 58
None 100

Commonly reported side effects and conditions associated with Prazosin

Side effect Patients
Dizziness 16
Drowsiness 10
Dizziness and feeling faint 7
Fainting 6
Lightheadedness 6
Dry mouth 5

Show all 85 reported side effects

Dosages

Based on patients currently taking Prazosin

Dosage Patients
2 mg daily 39
1 mg daily 31
5 mg daily 16
4 mg daily 13
10 mg daily 8
3 mg daily 7
2 mg twice daily 6
8 mg daily 3
6 mg daily 2
4 mg twice daily 2

See all 21 dosages

Why patients stopped taking Prazosin

Multiple reasons could be selected

Reason Patients
Side effects too severe 41
Did not seem to work 28
Doctor's advice 21
Other 12
Change in health plan coverage 5
Course of treatment ended 5
Expense 4
Personal research 4
See all 89 patients who've stopped taking Prazosin

Duration

Currently taking Prazosin

Duration Patients
1 - 6 months 9
6 months - 1 year 19
1 - 2 years 34
2 - 5 years 51
5 - 10 years 22
10 years or more 7

Stopped taking Prazosin

Duration Patients
Less than 1 month 24
1 - 6 months 25
6 months - 1 year 10
1 - 2 years 11
2 - 5 years 10
5 - 10 years 8
10 years or more 2
Adherence
Adherence Evaluations
Always 162
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 150
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 3
$50-99 2
$25-49 8
< $25 109
Not specified 94

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 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
Fluoxetine (Prozac) 2

Show all 10 treatments patients report switching to

Last updated:

8 patient evaluations for Prazosin

Dec 29, 2017 (Started Dec 15, 2017)

  • Effectiveness
    Major (for nightmares)
  • Side effects
    Mild (dizziness)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 10 mg Daily
Cost: < $25 monthly

  • 0 helpful marks

Dec 15, 2017 (Started Apr 12, 2013)

  • Effectiveness
    Slight (for post-traumatic stress disorder)
  • Effectiveness
    Slight (for nightmares)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Daily
Advice & Tips: This was prescribed to help w/ disturbing nightmares on nightly basis causing sleep-deprivation signs & symptoms. Have been increasing dose slowly, but still no actual viable benefits
Cost: < $25 monthly

  • 0 helpful marks

Sep 19, 2017 (Started Jul 01, 2011)

  • Effectiveness
    Slight (for nightmares)
  • Side effects
    Mild (drowsiness)
  • Adherence
    Sometimes
  • Burden
    Very hard to take
Dosage: 5 mg Daily

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