A member asked:

Kirkland aller-tec (zyrtec/cetrizine) bottle smells like vinegar? is it expired???

A doctor has provided 1 answer
Dr. John Chiu answered

Return to Kirkland: Our nose helps us to sense spoilage. Although some medications do emit some chemical scent, a strong vinegar odor suggests that the product might have been contaminated (chemical or moisture). Return the bottle to Kirkland .

Answered 5/29/2019

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Does zyrtec (cetirizine) expire?

A doctor has provided 1 answer