Why does Asprin smell so bad?!

Why does Asprin smell so bad?

I have a migraine and so I am nausiated........ I go to get some asprin and i open the bottle and geta nasty wiff of stuff........why does asprin smell so much more than all the rest of pills?

1 week ago
doesnt expire till february 08

By today's standards, aspirin is a very old-fashioned drug (though it still works!) It uses acetic acid, the acid that is in vinegar, so sometimes it smells vinegary, especially if it's old (that means it's breaking down, losing its potency).