I'd give him a warm water enema. Couldn't hurt & might just help unplug him more. Plus it would hydrate him.

How to give a horse an enema below....

http://horsemanslibrary.com/kb/NEWSview.asp?key=118

Prayers for the pony...

          *******************************

Nightgames owes me $100. If this message is still in my siggy, she hasn't paid up yet.