This is
Acetaminophen 325mgs, Butalbital 50mgs, Caffeine 40mgs,
Codeine 30mgs, this is a generic for Fiorcet with Codeine. It is most often used for severe headaches and migraines.
This product, however, has been discontinued, so you have found an old capsule.
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My information is not guaranteed correct. I do not get them right all the time, but I do enjoy the hunt~