Can old brewed coffee make you sick?

by Lou
(San Diego)


QUESTION:


I have a friend who brews a pot of coffee once a week and drinks a cup a day (warmed in the microwave) until it's gone. Sometimes that same pot sits on his counter for more than a week. I notice that he is sick quite often -- is it possible that he is getting sick from doing this?

ANSWER:

Plenty of people keep cold coffee in the fridge for a week or so, and then microwave a cup or two each day.

Not exactly the best way to enjoy the finer flavors of a gourmet coffee, but it works for some people.

That's the amazing thing about coffee...some people love it like they love a fine wine, while others are just happy for a hot brew with a nice caffeine kick.

That said, if he doesn't keep it in the fridge, I would be a little more concerned. I'm not a doctor or any kid of medical practitioner, but I'm guessing there are some unpleasant moulds that would be happy to take residence in coffee that is sitting around at room temperature.

I would encourage your friend either to keep the coffee in the fridge, or brew more often.

Comments for Can old brewed coffee make you sick?

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Dec 17, 2013
Can old brewed coffee make you sick? Not necessarily.
by: Anonymous

For many years now I've brewed a pot of coffee and kept it on the counter to drink it, usually up to 3 days old. I've never had any problems with my health because of it. I don't think I'd go past 4 days unless it was refrigerated. It would spoil for sure if you put any creamer and/or sugar into it. And as far as reusing a coffee cup, I reuse my travel mug all week. I rinse it out when I'm done. But I also drink my coffee black. Spoiled milk has its own schedule. Leave a glass of milk out in the summer and try it again in the winter. I assure you the summer milk will curdle much much faster, in less than a day likely.

Jul 21, 2010
Can old brewed coffee make you sick? May be.
by: Kit

I am replying to this post, because I was looking for complaints about old coffee making people sick.

I have noticed twice this year that when I do not wash my coffee cup for more than 3 days then the next day if I use the same unwashed cup, I experience an allergic reaction (sneezing, sore throat) and I get fever with in a day which lasts for 2-3 days.


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