Carefully remove vegetative matter such
as grass awns, seed casings, or thorny twigs with fingers or comb.
Foreign bodies, such
as grass awns, are also a painful and common source of infection for the feet.
Other causes include foreign material in the ear (such
as grass awns) or parasites (such as ear mites).
Another common cause of nasal bleeding can be a foreign body, such
as a grass awn (seed), lodged in the nasal passageway.