What can i do about muscle spasms after first rib resection surgery for thoracic outlet syndrome?

Muscle spasm: A heating pad may help and perhaps Advil (ibuprofen) or Aleeve. If neither help I would see your physician who would probably prescribe a muscle relaxant

Approaches: Feldenkreis physical therapy approaches have proven to be highly successful both pre- and post-op TOS procedures. Medications can provide symptomatic relief, and have found some success with compounded analgesic pain cremes, especially those containing ketamine.