Dantrium is used to treat Spasticity. The generic version is called Dantrolene sodium. The average Dantrium cash price is about $37.33 for a supply of Capsule 25 MG 30 pcs. You can reduce your Dantrium cost by up to 75% with our free Dantrium discount card. Bring it to a participating pharmacy near you to save on your prescription medication.