geoboy, good to see somebody else has been taking ephedrine for a long time without any ill effects.
I always take 25mg eph. w/ 200mg caffeine and rarely take too many doses in a day, and have never had any problems you wouldn't expect for being a heavy coffe drinker or something like that.
I don't seem to really build up much of a tolerance which would necessitate taking larger doses, and any time I want to take a little time off from taking it I can get by just drinking diet soda if I want without any major withdrawal symptom save grogginess.
Ephedrine + caffeine will indeed make your dick look smaller soft, but I can tell you I've been taking ephedrine off and on for 6 years and I have had zero penile dysfunction except for the minor stuff that people have mentioned, and my dick is exactly the same size hard that it was 6 years ago.