Review: could Zyrtec cause Headache?


Summary

Headache is found among people who take Zyrtec, especially for people who are female, 60+ old , have been taking the drug for < 1 month, also take medication Singulair, and have Hypersensitivity . We study 41,998 people who have side effects while taking Zyrtec from FDA and social media. Among them, 2,408 have Headache. Find out below who they are, when they have Headache and more.

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Zyrtec

Zyrtec has active ingredients of cetirizine hydrochloride. It is often used in hypersensitivity. (latest outcomes from Zyrtec 46,713 users)

Headache

Headache (pain in head) has been reported by people with breathing difficulty, pain, drug ineffective, weakness, fatigue (latest reports from 294,184 Headache patients).

On Sep, 16, 2016

41,998 people reported to have side effects when taking Zyrtec.
Among them, 2,408 people (5.73%) have Headache


Number of reports submitted per year:

Could Zyrtec cause Headache?

Time on Zyrtec when people have Headache *:

  • < 1 month: 54.46 %
  • 1 - 6 months: 2.97 %
  • 6 - 12 months: 4.95 %
  • 1 - 2 years: 3.96 %
  • 2 - 5 years: 10.89 %
  • 5 - 10 years: 13.86 %
  • 10+ years: 8.91 %

Gender of people who have Headache when taking Zyrtec *:

  • female: 78.13 %
  • male: 21.87 %

Age of people who have Headache when taking Zyrtec *:

  • 0-1: 0.0 %
  • 2-9: 2.57 %
  • 10-19: 5.49 %
  • 20-29: 7.05 %
  • 30-39: 13.4 %
  • 40-49: 20.86 %
  • 50-59: 24.58 %
  • 60+: 26.05 %

Severity if Headache when taking Zyrtec **:

  • least: 4 %
  • moderate: 52 %
  • severe: 36 %
  • most severe: 8 %

How people recovered from Headache **:

  • while on drug: 9.09 %
  • after off the drug: 18.18 %
  • not yet: 72.73 %

Top conditions involved for these people *:

  • Hypersensitivity (306 people, 12.71%)
  • Asthma (228 people, 9.47%)
  • Pain (176 people, 7.31%)
  • Depression (173 people, 7.18%)
  • Hypertension (145 people, 6.02%)

Top co-used drugs for these people *:

  • Singulair (289 people, 12.00%)
  • Nexium (274 people, 11.38%)
  • Synthroid (231 people, 9.59%)
  • Aspirin (228 people, 9.47%)
  • Celebrex (207 people, 8.60%)

Top other side effects for these people *:

  • Nausea (674 people, 27.99%)
  • Fatigue (553 people, 22.97%)
  • Dizziness (533 people, 22.13%)
  • Pain (456 people, 18.94%)
  • Anxiety (396 people, 16.45%)

* Approximation only. Some reports may have incomplete information.

** Reports from social media are used.

How to use the study: print a copy of the study and bring it to your health teams to ensure drug risks and benefits are fully discussed and understood.

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NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

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