Cockscomb is a garden plant commonly grown for its flowers. Name a medication derived from cockscomb that is used to treat osteoarthritis. Following her vertebral fracture at T10, the patient was...

Cockscomb is a garden plant commonly grown for its flowers. Name a medication derived from cockscomb that is used to treat osteoarthritis.

Following her vertebral fracture at T10, the patient was prescribed alendronate and calcium. Which additional pharmacotherapeutic agent should have been prescribed?