If someone was trying to quit an addiction to methamphetamine would prescribing phentermine help them. sorta like oxey cottons help hurroin addicts?

NO to rare : Methamphetamine addiction should not be treated by substitution with Phentermine or other CNS stimulants. In certain circumstances and refractory cases the addiction specialist may have to employ the harm reduction model and do what he or she feels is best for all. This approach should not be the norm, rare, and only considered on a case by case basis.

Sorry to say it this: Way but that's trading or substituting one substance for another. Please treat the addiction by getting the proper help from an addictionologist and really consider going into a formal rehab program.