yes it is very common, as a matter of fact this is the very first bottle i ever found ,and is the one responsable for the huge mess of bottles in my garage. be very carefull with it ,or you might end up with a garage full of bottles!! lol!! i believe this was a early med. for female problems.
http://www.mc.vanderbilt.edu/biolib/hc/nostrums/pinkham.html
this link will tell you the whole story.
your bottle is likley from about 1900 or so.