Yes, tampons do expire or, more accurately, can become unusable over time, especially if not stored correctly.
Tampons are not sterile products, although they are sanitary. This distinction is important because it means they aren't sealed in a way that completely prevents microbial growth over the long term. According to the reference provided, the shelf life of tampons is about five years.
However, reaching this five-year mark depends heavily on storage conditions. The reference states that this shelf life is valid provided they're left in the package undisturbed and not exposed to excessive moisture. When tampons are exposed to moisture or stored in damp environments (like a steamy bathroom without proper ventilation), they become susceptible to contamination. Bacteria and mold can grow if they're not stored properly, making them potentially unsafe to use and effectively "expired" even before the five-year mark.
Using an old or improperly stored tampon could expose you to harmful bacteria or mold, potentially leading to irritation, infection, or more serious conditions like Toxic Shock Syndrome (TSS), although TSS risk is primarily linked to absorbency and duration of use, not just expiration.
Tips for Storing Tampons:
- Store tampons in a cool, dry place, away from direct sunlight.
- Keep them in their original packaging until ready to use.
- Avoid storing them in humid environments like bathroom cabinets unless they are well-sealed in a moisture-proof container.
- Check the packaging for an expiration date if one is provided (not all brands list one).
When to Discard Tampons:
- If they show any signs of discoloration.
- If they have a strange odor.
- If the individual wrapper is damaged, torn, or appears compromised.
- If you suspect they have been exposed to moisture or stored improperly for a long time.
- If they are visibly moldy or have any unusual spots.
- If they are well beyond the general five-year shelf life, even if they look okay, err on the side of caution.
Proper storage is key to ensuring your tampons remain safe and effective for their intended shelf life.