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 330 183
Post-traumatic stress disorder 190 98
Bladder problems 9 4
Flashbacks 9 6
Night or sleep terrors 8 7

Show all 70 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 27
Moderate 35
Mild 61
None 106

Commonly reported side effects and conditions associated with Prazosin

Side effect Patients
Dizziness 16
Drowsiness 10
Fainting 6
Lightheadedness 6
Dry mouth 5
Fatigue 3

Show all 75 reported side effects

Dosages

Based on patients currently taking Prazosin

Dosage Patients
2 mg daily 24
1 mg daily 20
5 mg daily 11
4 mg daily 8
3 mg daily 7
10 mg daily 5
8 mg daily 4
2 mg twice daily 3
1 mg twice daily 2
15 mg daily 2

See all 18 dosages

Why patients stopped taking Prazosin

Multiple reasons could be selected

Reason Patients
Side effects too severe 46
Did not seem to work 31
Doctor's advice 25
Other 14
Change in health plan coverage 6
Course of treatment ended 5
Expense 5
Personal research 4
See all 100 patients who've stopped taking Prazosin

Duration

Currently taking Prazosin

Duration Patients
1 - 6 months 5
6 months - 1 year 9
1 - 2 years 23
2 - 5 years 33
5 - 10 years 21
10 years or more 4

Stopped taking Prazosin

Duration Patients
Less than 1 month 26
1 - 6 months 28
6 months - 1 year 11
1 - 2 years 14
2 - 5 years 10
5 - 10 years 10
10 years or more 2
Adherence
Adherence Evaluations
Always 174
Usually 31
Sometimes 19
Never taken as prescribed 5
Burden
Burden Evaluations
Very hard to take 6
Somewhat hard to take 21
A little hard to take 41
Not at all hard to take 161
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 3
$50-99 2
$25-49 8
< $25 114
Not specified 102

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
Sertraline (Zoloft) 4
Trazodone (Desyrel) 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

Aug 13, 2018 (Started Apr 12, 2013)

  • Effectiveness
    Moderate (for post-traumatic stress disorder)
  • Effectiveness
    Major (for nightmares)
  • Side effects
    Mild (tension headache)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 8 mg Daily
Advice & Tips: I have upped the nightly dosage d/t return of graphic violent nightmares. Better now!
Cost: < $25 monthly

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

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

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