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
Allergies 414 114
Seasonal allergy 192 73
Allergic rhinitis 117 42
Perennial allergy 63 25
Chronic idiopathic hives 18 11

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
19
Mild
55
None
203

Commonly reported side effects and conditions associated with Cetirizine

Side effect Patients
Drowsiness 18
Sleepiness 14
Dry mouth 12
Excessive daytime sleepiness (somnolence) 6
Dizziness 3
Dry eyes 3

Show all 36 reported side effects

Dosages

Based on patients currently taking Cetirizine

Dosage Patients
10 mg daily 150
10 mg twice daily 16
10mg as needed 12
5mg as needed 6
5 mg daily 5
20 mg daily 5
30 mg daily 3
10 mg four times daily 3
1 tablet(s) daily 1
1 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 70
Other 40
Doctor's advice 26
Side effects too severe 26
Course of treatment ended 21
Expense 16
Personal research 5
Change in health plan coverage 3
See all 173 patients who've stopped taking Cetirizine

Duration

Currently taking Cetirizine

Duration Patients
1 - 6 months 6
6 months - 1 year 18
1 - 2 years 20
2 - 5 years 60
5 - 10 years 56
10 years or more 50

Stopped taking Cetirizine

Duration Patients
Less than 1 month 34
1 - 6 months 32
6 months - 1 year 25
1 - 2 years 29
2 - 5 years 23
5 - 10 years 20
10 years or more 10
Adherence
Adherence Evaluations
Always 208
Usually 55
Sometimes 20
Never taken as prescribed 9
Burden
Burden Evaluations
Very hard to take 2
Somewhat hard to take 9
A little hard to take 33
Not at all hard to take 248
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 2
$50-99 1
$25-49 27
< $25 147
Not specified 115

What people switch to and from

Patients stopped taking Cetirizine and switched to:

Treatment Patients
Fexofenadine (Allegra) 2
Levocetirizine (Xyzal) 2
Last updated:

28 patient evaluations for Cetirizine

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

Dec 23, 2015 (Started Jan 15, 2015)

  • Effectiveness
    Major (for itching under skin)
  • Side effects
    None
  • Adherence
    Usually
  • Burden
    A little hard to take
Dosage: As needed
Advice & Tips: It takes thirty minutes to be effective which leaves a lot of scratching.  I scratch holes in my skin.
Cost: < $25 monthly

  • 0 helpful marks

Apr 24, 2015 (Started Mar 25, 2015)

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

  • 0 helpful marks
Last updated:
Showing 3 of 28 patient evaluations for Cetirizine