Regarding titrating down from 5mg (or actually 3.75 where I'm at now), the optimal rate at which this is to be done if using proscar divided into quarters, seems impossible to know without studies, however, if the half life of finesteride is indeed under 24 hours, then dosing anything more than a day or two in between might not make sense. Earlier I referred to a possible regimen of spacing out a 3/4 pill far beyond just every other day, up to once every 5, 6, or 7 days, for a period of 3 weeks at a time. Other than being a slow phasing down, the interval spacing and the duration of 3 weeks at each level is really just completely arbitrary - a rough guess at what "slowly titrating down" is. It's just not cold turkey situation, which is obviously to be avoided, but what's optimal, or optimal for me, seems unknowable, again without existing studies.
I suppose the question I'm focused on here is what role the drug's half life can play in trying to formulate a several month long schedule of slowly titrarting the dose back down to 1 mg from the current 3.75, and ultimately 0.5 mg or less.
Thank you again. I thought introducing the half life consideration might be worthwhile.