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 198 82
Allergic rhinitis 121 44
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 216

Commonly reported side effects and conditions associated with Cetirizine

Side effect Patients
Drowsiness 20
Dry mouth 15
Sleepiness 14
Excessive daytime sleepiness (somnolence) 6
Dizziness 4
Fatigue 4

Show all 38 reported side effects

Dosages

Based on patients currently taking Cetirizine

Dosage Patients
10 mg daily 161
10mg as needed 13
10 mg twice daily 12
5 mg daily 5
5mg as needed 5
20 mg daily 4
30 mg daily 2
1 tablet(s) daily 1
10 mg every other day 1
5-120 mg daily 1

See all 16 dosages

Why patients stopped taking Cetirizine

Multiple reasons could be selected

Reason Patients
Did not seem to work 70
Other 41
Doctor's advice 29
Side effects too severe 27
Course of treatment ended 22
Expense 17
Personal research 6
Change in health plan coverage 3
See all 178 patients who've stopped taking Cetirizine

Duration

Currently taking Cetirizine

Duration Patients
1 - 6 months 7
6 months - 1 year 17
1 - 2 years 21
2 - 5 years 53
5 - 10 years 59
10 years or more 55

Stopped taking Cetirizine

Duration Patients
Less than 1 month 35
1 - 6 months 32
6 months - 1 year 26
1 - 2 years 31
2 - 5 years 26
5 - 10 years 20
10 years or more 8
Adherence
Adherence Evaluations
Always 220
Usually 60
Sometimes 22
Never taken as prescribed 9
Burden
Burden Evaluations
Very hard to take 2
Somewhat hard to take 10
A little hard to take 36
Not at all hard to take 263
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 2
$50-99 1
$25-49 34
< $25 152
Not specified 122

What people switch to and from

Patients stopped taking Cetirizine and switched to:

Treatment Patients
Levocetirizine (Xyzal) 3
Fexofenadine (Allegra) 2
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