I used Lanacane medicated body powder for several years (after Zeasorb became unavailable in the UK) but, in turn, Lanacane powder is also now unavailable in the UK. I have anal irritation problems following an anal sphincterotomy in the mid 1980s.
n condition in which the sacrum rotates about an oblique axis so that sacral base side opposite to the axis involved glides anteriorly, producing a deep sulcus. torsion, left-on-left (forward) sacral, n condition in which left rotation of the sacrum occurs about a left oblique axis. torsion, left-on-right (backward) sacral, n condition in which left rotation occurs about a right oblique axis. torsion, right-on-left (backward) , n condition in which right rotation occurs about a left oblique axis.
Spasm of the piriformis muscle and sacral dysfunction (eg, torsion) cause stress on the sacrotuberous ligament. This stress may lead to compression of the pudendal nerves or increased mechanical stress on the innominate bones, potentially causing groin and pelvic pain.