Pharmer.org

Here is some consumer info about the two pain meds from Drug Digest:

Darvocet-N

Vicodin

These lists should help you out.  The title of each section contains the generic name(s).  If the med is a brand name drug, the brand name is included on the right hand side of the page:

Pharmer.org's Imprints of Opioid Analgesics

Oxycodone, hydrocodone, and propoxyphene are all opioids.  Meaning that they all bind opioid receptors in the central nervous system. 

There are 3 naturally ocurring opioids derivied from the opium poppy, these are sometimes referred to as opiates:

morphine
thebaine
codeine

Oxycodone and hydrocodone are 'semi-synthetic' opioids because they are not naturally ocurring but rather chemicaly derived from either thebaine or codeine.  Oxycodone and hydrocodone are very similiar, the chemical structure between oxycodone and hydrocodone only differs by a single hydroxyl group -- can you spot the difference?

 Propoxyphene on the other hand is a fully 'synthetic' opioid as its chemical structure is quite different from the opioids derived from the naturally occuring opiates.

Generally speaking, because all opioids interact with the opioid receptors the effects will be similar.  However, there is a wide range of strengths (how tightly it interacts with the opioid receptor) as well as metabolic half-lifes (how long it lasts in the body).   Thus there can be quite a range of analgesic effect.

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Post consisted of advertising for two treatment centers. 

I am pretty sure the chemical structure is very close to methadone as well although they deffinitely act a little differently. In my personal experience I think darvocet 100mg actually does work. I deffinitely think it works better than the normal otc pain relievers although not close to a normal opiate. I did know that it commonly leads to overdose but I thought it had more to do with the chemical structure than from people taking too many because they are weak.