How Long Does Nitroglycerin Tablets Last?
Quick Answer
Nitroglycerin Tablets lasts 2-3 years when unopened. Once opened, it should be used within 3-6 months.
Shelf Life by Storage Condition
| Storage Condition | Duration |
|---|---|
| Pantry (Unopened) | 2-3 years |
| Pantry (Opened) | 3-6 months |
| Refrigerator (Unopened) | Not applicable |
| Refrigerator (Opened) | Not applicable |
| Freezer | Not applicable |
How to Tell If It Has Gone Bad
- Tablets become discolored or darkened
- Tablets crumble or become brittle
- Unusual odor or chemical smell
- Reduced effectiveness or no relief from angina symptoms
Proper Storage Tips
- Store at room temperature between 20-25°C (68-77°F)
- Keep tablets in original tightly closed container to protect from moisture and light
- Do not store in bathroom or areas with high humidity
Risks of Using Expired Nitroglycerin Tablets
Using expired nitroglycerin tablets may result in reduced potency, leading to inadequate relief of angina symptoms which can increase the risk of serious cardiac events. Additionally, degraded tablets may cause unexpected side effects or inconsistent dosing.
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Frequently Asked Questions
How long does Nitroglycerin Tablets last?
Nitroglycerin tablets typically last 2 to 3 years unopened and about 3 to 6 months once the bottle is opened.
Does Nitroglycerin Tablets expire?
Yes, nitroglycerin tablets do expire and should not be used past their expiration date due to reduced effectiveness.
How can you tell if Nitroglycerin Tablets has gone bad?
Signs include discoloration, crumbling tablets, unusual odor, or reduced effectiveness in relieving angina symptoms.