How Long Does Cetirizine (Zyrtec) Last?
Quick Answer
Cetirizine (Zyrtec) lasts 2-3 years when unopened.
Shelf Life by Storage Condition
| Storage Condition | Duration |
|---|---|
| Pantry (Unopened) | 2-3 years |
| Pantry (Opened) | Not applicable |
| Refrigerator (Unopened) | 2-3 years |
| Refrigerator (Opened) | Not applicable |
| Freezer | Not applicable |
How to Tell If It Has Gone Bad
- Change in color or appearance of tablets or syrup
- Unusual or foul odor
- Tablet crumbling or excessive powdering
- Separation or cloudiness in liquid formulations
Proper Storage Tips
- Store at room temperature between 20°C to 25°C (68°F to 77°F)
- Keep medication in original container tightly closed
- Avoid exposure to excessive moisture, heat, or direct sunlight
Risks of Using Expired Cetirizine (Zyrtec)
Using expired Cetirizine may result in reduced effectiveness, leading to inadequate allergy symptom control. While it is unlikely to cause serious harm, degraded ingredients could potentially cause unexpected side effects or reduced safety. Always use medication within its expiration date to ensure optimal efficacy and safety.
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Frequently Asked Questions
How long does Cetirizine Zyrtec last?
Cetirizine typically lasts 2 to 3 years when stored unopened at room temperature.
Does Cetirizine Zyrtec expire?
Yes, Cetirizine has an expiration date after which its effectiveness may decrease.
How can you tell if Cetirizine Zyrtec has gone bad?
Signs include changes in color, unusual odor, tablet crumbling, or separation in liquid forms.