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Generic Name: Zyrtec for Allergies (cetirizine)

Zyrtec for Allergies Reviews

"My veterinarian advised me to give my cat half a pill. It seems to help her runny nose and sneezing. The only issue I have using the dissolve tabs is that they tend to fall apart when using a pill splitter. Also, I find that these blister packs are incredibly difficult to open. Not only are they child-proof, they're adult-proof!"


"One of my favorite oral antihistamines, I've been switching between a few for a while once I build up a tolerance for one and have to use a different one. Overall effective but I wish I could only take it instead of finding out it doesn't work and have to sit in misery for 24 hours until I can take a different one."


"I found Zyrtec to be largely effective in short bursts."

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  • Drug class: antihistamines
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Patient resources

  • Zyrtec drug information
  • Zyrtec (Cetirizine Capsules and Tablets)
  • Zyrtec (Cetirizine Chewable Tablets)
  • Zyrtec (Cetirizine Liquid)
  • Zyrtec (Cetirizine Orally Disintegrating Tablets)

Other brands

Quzyttir

Professional resources

  • Zyrtec prescribing information
  • Zyrtec Tablets (FDA)
  • Cetirizine (AHFS Monograph)

Other brands

Aller-Tec, All Day Allergy, Quzyttir, All Day Allergy Children's, Aller-Tec Children's

Other formulations

  • Zyrtec-D
  • Zyrtec-D 12 Hour

Related treatment guides

  • Urticaria
  • Allergic Rhinitis
  • Allergies