Prohibit: The Big Guns!
There are a few types of worms in goats that other dewormers have little success in destroying.
Prohibit® Soluble (levamisole hydrochloride) is a broad-spectrum oral dewormer for cattle and sheep (and used for goats by many) effective against stomach worms, intestinal worms and lungworms.
HERE'S WHAT SOME WHO USE PROHIBIT FOR SPECIFIC WORMS HAVE EXPERIENCED AND PERHAPS IT CAN HELP YOU:
"Prohibit Great Goat Wormer"
"Best Dewormer for Barberpole Infestation"
NOTE: This is a strong dewormer. Be very careful when dosing. Also, the unused portion may be stored for 3 months only.
It may be purchased online and at many Feed Stores such as MFA