What is Cetirizine?

Category: Over the Counter Drugs

Most popular types: Zyrtec Members Mark Cetirizine Wal-Zyr Show all

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See also: Zyrtec-D

Cetirizine HCl is an antihistamine used for the relief of indoor and outdoor allergy symptoms. It also treats itching due to chronic hives.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Seasonal allergy 201 87
Allergic rhinitis 125 47
Perennial allergy 62 25
Chronic idiopathic hives 21 11
General health 19 4

Show all 75 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 15
Moderate 23
Mild 57
None 227

Commonly reported side effects and conditions associated with Cetirizine

Side effect Patients
Drowsiness 20
Dry mouth 16
Sleepiness 14
Excessive daytime sleepiness (somnolence) 6
Dizziness 4
Fatigue 4

Show all 33 reported side effects

Dosages

Based on patients currently taking Cetirizine

Dosage Patients
10 mg daily 154
10mg as needed 12
10 mg twice daily 11
5 mg daily 5
20 mg daily 5
5mg as needed 5
30 mg daily 2
1 tablet(s) daily 1
10 mg every other day 1
20 mg twice daily 1

See all 16 dosages

Why patients stopped taking Cetirizine

Multiple reasons could be selected

Reason Patients
Did not seem to work 73
Other 44
Doctor's advice 30
Side effects too severe 29
Course of treatment ended 22
Expense 18
Personal research 8
Change in health plan coverage 3
See all 187 patients who've stopped taking Cetirizine

Duration

Currently taking Cetirizine

Duration Patients
1 - 6 months 4
6 months - 1 year 6
1 - 2 years 24
2 - 5 years 45
5 - 10 years 64
10 years or more 61

Stopped taking Cetirizine

Duration Patients
Less than 1 month 36
1 - 6 months 34
6 months - 1 year 28
1 - 2 years 31
2 - 5 years 27
5 - 10 years 21
10 years or more 10
Adherence
Adherence Evaluations
Always 227
Usually 62
Sometimes 23
Never taken as prescribed 10
Burden
Burden Evaluations
Very hard to take 2
Somewhat hard to take 10
A little hard to take 37
Not at all hard to take 273
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 2
$50-99 1
$25-49 35
< $25 156
Not specified 128

What people switch to and from

Patients stopped taking Cetirizine and switched to:

Treatment Patients
Levocetirizine (Xyzal) 3
Fexofenadine (Allegra) 2
Clemastine 1
Desloratadine (Clarinex) 1
Hydroxyzine (Vistaril) 1
Last updated:

31 patient evaluations for Cetirizine

Apr 8, 2018 (Started Jul 01, 2017)

  • Effectiveness
    Moderate (for seasonal allergy)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take

  • 0 helpful marks

Mar 26, 2018 (Started Jul 01, 2013)

  • Effectiveness
    Moderate (for seasonal allergy)
  • Side effects
    None
  • Adherence
    Sometimes
  • Burden
    Not at all hard to take
Dosage: 10 mg Daily
Cost: < $25 monthly

Nov 19, 2014 (Started Jul 01, 2013)

  • Effectiveness
    Major (for seasonal allergy)
  • Side effects
    None
  • Adherence
    Usually
  • Burden
    Not at all hard to take
Dosage: 10 mg Daily

  • 0 helpful marks

Aug 7, 2016 (Started Jul 07, 2012)

  • Effectiveness
    Moderate (for allergies)
  • Effectiveness
    None (for acid reflux)
  • Side effects
    None
  • Adherence
    Sometimes
  • Burden
    Not at all hard to take
Dosage: As needed

  • 0 helpful marks
Last updated:
Showing 3 of 31 patient evaluations for Cetirizine