How do you know if Sour cream has gone bad?

Sour cream has likely gone bad if you notice mould, yellow tint, or pooled liquid that smells off; sharp sour or rancid smell; curdled, watery, or slimy texture. When in doubt, throw it out.

How long does opened Sour cream last in the fridge?

Opened Sour cream lasts 2–3 weeks refrigerated.

How Long Does Sour Cream Last?

Sour Cream keeps 2–3 weeks in the refrigerator after opening, according to cited USDA/FDA storage references.

2 cited USDA/FDA/FSIS sources
Editorial review · Verified June 2026

Only storage locations with source-backed entries are shown; a missing freezer or pantry card means FoodLasts does not have a supported value.
Unopened and after-opening tabs are split because the source data has separate entries.

Based on USDA/FSIS guidance:

Keep eggs and refrigerated dairy at 40°F or below; sell-by dates are quality guides, not safety deadlines when storage has been cold.

Source

A small amount of clear liquid on top is normal; mould or a bitter, off smell means discard the container.

How to tell if it's gone bad

Look:Mould, yellow tint, or pooled liquid that smells off
Smell:Sharp sour or rancid smell
Texture:Curdled, watery, or slimy texture

When in doubt, throw it out. If Sour Cream smells, looks, or feels off — discard it. Food poisoning is not worth the risk.

Storage tips

Store sour cream upside down in its sealed tub to slow surface mould, and always scoop with a clean spoon.

Is it still good?

Enter when you bought or opened it and where it's stored.

Common questions

How long does opened Sour cream last in the fridge?: Opened Sour cream lasts 2–3 weeks refrigerated.

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