How can you tell if Ibuprofen / Aspirin has gone bad?

Signs that Ibuprofen / Aspirin has gone bad: Aspirin smells like vinegar when degraded — discard; Ibuprofen: hard or crumbly tablets, dark spots, off smell.

What does the date label on Ibuprofen / Aspirin mean?

Ibuprofen / Aspirin usually carries a "Use By" date. The last date the manufacturer recommends for peak quality — for most foods this is still quality-based, not a safety cutoff (infant formula is the one exception). See our date-labels guide for the full breakdown.

Household

How long does Ibuprofen / Aspirin last?

Q: How long does Ibuprofen / Aspirin last?

In the pantry: 1–2 years past exp.. Sealed / unopened: Check date. Generally safe to take past expiry, just less potent. Discard if they smell like vinegar (aspirin) or are crumbly.

Medium confidence Package-specific concern

How long does Ibuprofen / Aspirin last? pantry 1–2 years past exp.. Plus spoilage signs, sources, and an unopened-vs-opened note.

Fridge

Not recommended

Pantry

1–2 years past exp.

Freezer

Not recommended

Sealed / unopened: Check date

Signs Ibuprofen / Aspirin has gone bad

Aspirin smells like vinegar when degraded — discard.
Ibuprofen: hard or crumbly tablets, dark spots, off smell.

Discard immediately if

Tablets crumble when handled
Sharp vinegar smell (aspirin)
Past expiry by more than 2 years

Why guidance varies

Active ingredients degrade at different rates depending on temperature, humidity, and light exposure; manufacturer dates assume controlled storage conditions.

Track this in My Pantry

Get a heads-up before it expires. Search the full database instead.

Sources for this answer

A FDA — Don’t Be Tempted to Use Expired Medicines — Storage windows and refrigeration guidance for this category.
A FDA — Are You Storing Food Safely? — Date-label interpretation and food-safety baseline.

Reviewed: 2026-05 · Rule: if manufacturer storage instructions are stricter than category guidance, the manufacturer instructions win.