CLINICAL TIP 

STRORTIUM CARBONICUM is indicated in chronic sprains of ankles when oedema persists says Dr. DUDGEON 6th and 30th potencies can be tried.

GENERALS - INJURIES - sprains - chronic: (3) am-m. nat-m. stront-c.

I wonder why Bovista is missing in above rubric wheres it is given in Allen's keynotes for chronic sprains

Lameness after sprains, especially of wrists and ankles (chronic sprains, Bov., Stron.). - about Ruta in Allen's keynotes

Sprains (after Arnica). - Ruta 

Complaints from straining flexor tendons especially.- Ruta

References:
Dr.HC Allen

Dr.Boericke

Dr.Schroyens

Dr.P. Rajgopalrao