The actual discharge of blood is due to local lesions, and no special dieting is required in many cases. It is, however, so often associated with cystitis and still more frequently with irritability of the vesical mucous membrane, that those articles of diet which act as stimulants or irritants of the bladder wall should be avoided. Red meats, alcohol, salted meats, coffee, vegetables containing oxalates, very acid fruits, spices, etc., should be interdicted and a diet such as would be suitable in chronic cystitis habitually observed.