Jeremy has painful muscle spasms associated with rheumatoid arthritis. He knows that his friend ...

Jeremy has painful muscle spasms associated with rheumatoid arthritis. He knows that his friend Tanya, who has multiple sclerosis, has experienced relief from her muscle spasms with dantrolene. Is dantrolene also appropriate for Jeremy?
 A) Dantrolene should also be used if the spasms are severe.
  B) Dantrolene should only be used as a last choice medication when other agents have failed.
  C) Yes. It is very likely Jeremy will have a good effect from dantrolene.
  D) No. Dantrolene is not indicated for muscle spasms associated with rheumatic conditions.