Is moldy ketchup safe to eat?
Quick Answer
No
Moldy ketchup is not safe to eat. The presence of mold indicates that the ketchup has been contaminated and may contain harmful bacteria or toxins.

What Is It?
Moldy ketchup refers to ketchup that has developed mold, usually due to improper storage or being kept for too long past its expiration date.
How to Tell
Signs of moldy ketchup include a change in color, a foul smell, or visible mold growth on the surface or inside the bottle.
Why It Can Be Risky
Eating moldy ketchup can pose several health risks.
- Food poisoning: Moldy ketchup can contain harmful bacteria that can cause food poisoning.
- Allergic reactions: Some people may have allergic reactions to mold.
- Respiratory problems: Inhaling mold spores from moldy ketchup can cause respiratory problems, especially in people with asthma or mold allergies.
Safe Method?
The safest method is to discard any ketchup that shows signs of mold. It’s not safe to simply remove the moldy part and consume the rest.
Can You Just Cut It Off?
If your ketchup has passed its expiration date or shows any signs of mold, it’s best to throw it away.
Safe Alternatives
If you’ve run out of ketchup, alternatives can include salsa, barbecue sauce, or making your own homemade ketchup.
Storage Tips
Keep the ketchup bottle sealed when not in use.’, ‘Store ketchup in the refrigerator after opening to extend its shelf life.’, ‘Avoid using dirty utensils to scoop out ketchup to prevent contamination.