there are no mass-produced 15mg
hydrocodone preps currently availiable in the US. However, it is not unheard of for compounding pharmacies to make 15mg (of larger) preps w/ varying amounts of
Tylenol, though these are made specifically for patients as reccomended by a doctor and are fairly rare. They are also often put in capsules, though I don't know if they would have any markings, which are needed to positivly ID a pill.
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vicodin capsule 
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