Faecal analysis should be carried out to rule out parasitic causes such as [[Trichuris vulpis|whipworms]], [[Uncinaria stenocephala|hookworms]] and [[Giardia|''Giardia'']]. | Faecal analysis should be carried out to rule out parasitic causes such as [[Trichuris vulpis|whipworms]], [[Uncinaria stenocephala|hookworms]] and [[Giardia|''Giardia'']]. |