FERRUM PHOS is specifically useful for the relief of symptoms of: Colds--with sneezing, feverishness, stuffiness and sneezing; Fever and inflammation--this is the first remedy indicated in all types of symptoms of fever and inflammation. Rapid pulse, flushed face, vomiting of undigested food and a chilly sensation are all symptoms of fevers relieved by FERRUM PHOS; Headaches--inflammatory headaches(from cold or heat from the sun) with throbbing in the temples or over the eyes. Congestive headaches during the menstrual period.