hi,just back from gps,i went because the tamusolin was making me feeling weak no energy cant go on with that,anyway he has just prescribed 2mg destrusitol,dont know whether to take them because i have got a hiatius hernia when i last had pain with that it was bad,and constipation that im struggling with,might just put up with getting up 5 times a night,anyone else on detrusitol,i have read guys going into retention,any help please.